12 11 10 9 8 7 6 5 4 3 2 1

RELAY PANEL OPERATOR STATION

L63
BACKUP RESISTOR CONN 41
ATCH-QC SAFETY LEVER "ON" ATCH-QC SAFETY 7Y-8242 Z E E E475-PK-18 3
RELAY COIL LOCK RELAY 2 SW D 646-RD-18 INSP LAMP SOCKET 196-BU 235-BK-18 5 4
L60 D D
ATCH SMART BOOM ATCH SMART BOOM A770-PK-18 169-PK-18 DIODE 646-RD-18 9R-7941 200-BK E472-GN-18 1 E472-GN-18 1 +12V ATCH 235-BK-16 235-BK-16 5 ATCH LOWER
ATCH-QC SAFETY LEVER ATCH-QC SAFETY L63
UP/DOWN RELAY1 UP/DOWN RELAY2 PRIORITY RELAY LOCK RELAY 1 SW 169-PK-18 169-PK-18 121-1022 A623-BU-18 CONN 12 D E474-OR-18 2 E474-OR-18 3 PWM+ JOYSTICK 235-BK-18 235-BK-18 235-BK-18 2 WIPER MOTOR -
149-5050 149-5050 A588-GN K844-GY-18 3 K844-GY-18 5 SWITCH 1 000-0000 E472-GN-18 235-BK-18 E472-GN-18 1 186-5763
R3 R4 R1 R2 L63
M746-YL-18 200-BK-18 M745-BU-18 200-BK-18 147-PU K848-WH-18 4 K848-WH-18 6 SWITCH 2 E474-OR-18 6 A MOTOR
RELAY RELAY RELAY_1 RELAY_2 ATCH LEFT
M746-YL-18 322-GY 6 235-BK-18 4 COMMON K844-GY-18 FOOT PEDAL Z 200-BK-74 1
M748-OR-18 M746-YL-18 M746-YL-18
TT
H792-BR-18
L52 L52
607-PK 235-BK-18 2 GND K848-WH-18 A580-GN-14 2
+
L15

235-BK-18
TT M747-PU-18 M746-YL-18 ET CONN 616-BU 235-BK-18 A579-OR-14 3
BOOM FLOAT
308-YL A BOOM LAMP RELAY 5A 143-BR-18 235-BK-18 235-BK-18 235-BK-18 2 118-GY-14 4
AF AF AF AF AF AF AF 893-GN-18 D 161-3128 5A D E472-GN-18 E472-GN-18 1
AF L53 L53

114-RD
115-RD
149-RD
892-BR-18 E 149-RD 645-RD-18 10A CONN 40 HORN SW E472-GN-18 E472-GN-18 5

A588-GN-18
INSP LAMP 128-2134

L52
235-BK-18 B 149-RD 10A 196-BU E472-GN-18 4 235-BK-18
I ATCH BOOM FLOAT
D C 149-RD 616-BU 5A 188-WH-18
FUEL PUMP
200-BK 200-BK-18 200-BK-18 2 200-BK-18 E476-PU-18 3 235-BK-18 235-BK-18 I
DISABLE RELAY WIPER/WASHER

114-RD
115-RD
149-RD
308-YL 4 IN F D 10A 118-GY 200-BK-18 320-RD-18 1 320-RD-18 ATCH RIGHT 6 235-BK-18
149-5050 TIMER CHASSIS LAMP A E E
CONN 5 200-BK 2 GND G 10A 160-PU FOOT PEDAL Z 235-BK-18
RELAY BACKUP/MONITOR CONT
143-BR-18 M743-GN-18 D AF 110-RD 1 +B H 5A 169-PK-18 CONSOLE(LH)

L61
143-BR-18 189-RD 3 OUT 163-6703 J CHASSIS LAMP RELAY 123-WH-18
SEAT HEATER A
A588-GN 1 A588-GN-18 5A
D 161-3128 LOWER WIPER/WASHER A

L53
235-BK-14 A587-YL 2

E562-PU-18

E565-BU-18
E564-PK-18
143-BR-18 2 235-BK-14 10A 152-BU 320-RD-18

E564-PK-18
E564-PK-18
CONN 10

780-PU-18
NEUTRAL START

779-WH-18
TT CIGAR LIGHTER H918-WH 1
M744-PK-18 160-PU A623-BU-18 10A 129-BU 154-RD A RD-18 L15

E562-PU-18

E564-PK-18
L17 L17 LIMIT SW

L60

K848-WH-18
K844-GY-18
E474-OR-18
E472-GN-18
E476-PU-18
E475-PK-18

K843-GN-18
E473-GY-18
E472-GN-18
SW PANEL/RADIO

235-BK-16
160-PU 5A 113-OR-18 151-GN B WH-18 163-6785 ATCH ANTI-DRIFT
ATT SOL
160-PU 607-PK 10A 147-PU 200-BK-18 CONN 19 E 189-RD C BK-18 PRESS. SW 167-3466
DIODE D 12V 7A CONVERTOR 1
184-RD 607-PK 10A 120-YL 200-BK 1
L54 L54

M744-PK-18
M743-GN-18
M748-OR-18
M747-PU-18
M746-YL-18
H792-BR-18
M745-BU-18
12V 7A CONVERTOR 2

147-PU
147-PU
121-1022 105-RD 10A 179-BU GROUND STRAP 200-BK-18 2 A588-GN-18 2 A587-GN-18
A/C A
D 130-RD-14 15A 124-GN-14 7G-1060 200-BK-14 3 200-BK-18 1 200-BK-18 A
D

308-YL
200-BK
306-GN 5A 200-BK-14 M743-GN-18 4 M743-GN-18 A 235-BK-18 2 235-BK-18 2
DIODE PRODUCT LINK BEACON LAMP KK Z

L15
306-GN 30A 172-GN-18 10A 199-OR 200-BK-14 H473-BR-18 1 K489-YL-18 1
121-1022 306-GN 15A 130-RD-14
ENG CONT
CAB LAMP RELAY 5A A L62
HORN AUX CKT CHASSIS PLATFORM L62 L62 ATCH STR PRESS.SW ATCH HAMMER PRESS. SW
200-BK 10A 114-RD 161-3128 10A 180-GN 167-3466
D TIMER RELAY L80 L80 L80 167-3466
D 10A 110-RD 115-RD 646-RD-18
L61 L61

L80
CAB LAMP

147-PU
B A

L17
D

L79
308-YL 10A 115-RD 115-RD 200-BK-18
KEY SW SS
308-YL 200-BK 2 200-BK 10A 105-RD 115-RD 615-YL 199-OR 308-YL 11 A579-OR-14
BOOM LAMP D L62 L62 L15 L15 A
308-YL 200-BK 1 306-GN 10A 149-RD 199-OR 199-OR 129-BU 8 118-GY-14
E/P CONT L26

L62
308-YL 200-BK D 10A 184-RD 191-WH-16 6 A580-GN-14 235-BK-18 2

112-PU-6
E562-PU-18
E562-PU-18
E562-PU-18
E562-PU-18

E565-BU-18
E564-PK-18
E564-PK-18
E564-PK-18
E564-PK-18
ATCH V CONT
CONN 6 15A C987-RD-14 199-OR 123-WH-18 9 A588-GN-18 235-BK-18 235-BK-18 H475-BU-18 1

779-WH-18

780-PU-18
RR 10A 103-RD
DOME LAMP/MEMORY HORN RELAY 124-GN-14 A770-PK-18 2 320-RD-18 307-OR 235-BK-18
112-PU-6 109-RD-8 304-WH-8 A/C BLOWER L57 L17 TRAVEL LEFT PRESS. SW
SS 109-RD-6 RR PP 15A 175-RD-14 161-3128 179-BU 645-RD-18 3 154-RD 235-BK-18 235-BK-18
L79 REFUELING PUMP L51 167-3466
NN 30A 168-RD-10 114-RD 320-RD-18 120-YL 615-YL 4 151-GN 235-BK-18 H473-BR-18
MAIN RELAY START RELAY 114-RD 147-PU 320-RD-18 1 CONN 13 189-RD 169-PK-18 A K489-YL-18 A
125-1302 ATCH HAMMER L16

L53
L52
165-4026 114-RD 322-GY 113-OR-18 151-GN 12 169-PK-18 169-PK-18 235-BK-18 235-BK-18 2 308-YL 1 H475-BU-18 235-BK-18 2
DD D L80 FOOT SW.
101-RD-4 129-BU 154-RD 10 A770-PK-18 H476-WH-18 H476-WH-18 1 954-GN 2 H474-GN-18 H474-GN-18 1
L34 L34 138-4653
FF EE 152-BU 105-RD 7 307-OR H473-BR-18 JOYSTIC PRESS. SW LL TRAVEL RIGHT PRESS. SW
L35 L35
101-RD-4 80A 109-RD-4 HYD LOCK SOL RELAY 123-WH-18 189-RD 5 105-RD H475-BU-18 167-3466 167-3466
FF L16 L16
161-3128 A588-GN B A H474-GN-18
ALT BREAKER 151-GN 200-BK-18 8630-BU 4 638-WH
171-2210 D 118-GY-14 1 8630-BU CONN 39 E472-GN-18 1 +12V
L54 L54 L14
189-RD A588-GN A588-GN 199-OR 3 123-WH-18 1E472-GN-18 E473-GY-18 3 PWM+
L52 L52 L52 L61 L14
H 189-RD A588-GN 2 615-YL 2E473-GY-18 K843-GN-18 5 SWITCH 1 H
L53 L53 L53 CONN 14

L51
638-WH 5 118-GY 3K843-GN-18 K847-PU-18 6 SWITCH 2
L25
6 646-RD-18 M743-GN-18 4K847-PU-18 235-BK-18 4 COMMON

L26
189-RD L36
113-OR-18 Z F CONN 38 235-BK-18 2 GND
B A

L36
307-OR 5 129-BU 12 235-BK-18 F
NEUTRAL START RELAY 175-RD-14 1 120-YL-16 200-BK-18 11 200-BK-18 200-BK-18 200-BK-18 F ATCH JOYSTICK
161-3128 103-RD 8 103-RD 8 607-PK 200-BK-18 ATCH 200-BK-18 L. CHASSIS IND UNIT 235-BK-18 000-0000
SEAT WITH 163-6702

L25
154-RD 200-BK-18 FUEL PUMP 607-PK 7 645-RD-18 169-PK-18 5 L972-BU-18 2 607-PK +B 235-BK-18 235-BK-18
L57 L34 SEAT HEATER
188-6121 12 147-PU A770-PK-18 A770-PK-18 1 A755-PK-18 A537-PK-18 1 L972-BU-18 235-BK-18
COOLANT ATCH WTR F 164-0505

SIGNAL
GROUND

SIGNAL
307-OR 306-GN 124-GN-14 3 CONN 15 199-OR 105-RD 105-RD 2 A757-GY-18 A755-PK-18 2 S1 235-BK-18
307-OR D LEVEL SW SEPARATOR 4 308-YL 308-YL 307-OR 307-OR 307-OR 3 A756-BU-18 A756-BU-18 3 S2 F
096-0744 LEVEL SNSR MOTOR
235-BK-18 120-YL 2 124-GN-14 308-YL 307-OR 308-YL 4 A758-BR-18 A757-GY-18 4 S3 235-BK-18

+B
200-BK 178-2345 147-PU 6 175-RD-14 607-PK 7 F773-OR-18 A758-BR-18 5 S4 L972-BU-18
235-BK-14 200-BK-18 113-OR-18 10 191-WH-16 L972-BU-18 6 F774-WH-18 235-BK-18 1 COM

L62
ATCH 2 3 ONE TOUCH LOW IDLE SW
200-BK-18 200-BK-18 169-PK-18 9 607-PK 607-PK A755-PK-18 10 169-PK-18 998-BR-18 F774-WH-18 6
PRODUCT F F THROTTLE POS SW 128-2134

4
2
1
3
LINK 200-BK-18 200-BK 646-RD-18 11 607-PK 607-PK A756-BU-18 9 M736-BU-18 BACKUP GOV SW F773-OR-18
F CONN 37 1F 106-0107
200-BK 229-BK-18 A757-GY-18 A 163-6711
B BACKUP

1
2

200-BK-14
175-RD-14
124-GN-14
235-BK-14 200-BK-18 A758-BR-18 1 998-BR-18 235-BK-18

191-WH-16
L18 L18

G976-BU-18
D B

607-PK
F EPR VALVE SW

L35
235-BK-18
TT F773-OR-18 2 F889-WH-18 235-BK-18 235-BK-18
L50

147-PU
FUEL PUMP RELAY F774-WH-18 A F CONN 36 169-PK-18 163-6710 235-BK-18
151-GN
151-GN

L50 L26 1 2

A893-OR-18
161-3128

200-BK-18
M736-BU-18 5 A537-PK-18 K906-GN-18
L49 L49 3 R
H705-BR-18 229-BK-18 K907-BU-18 6 K907-BU-18 K907-BU-18 K906-GN-18
L54

L53

L51 L51
L79

L52

L60

L50
CONN 2 L969-WH-18 11 A770-PK-18 A770-PK-18 L13 308-YL KEY SW

8630-BU
L60 L60 4 5 C OFF

638-WH
B

L18
188-WH-18 A893-OR-18 L968-OR-18 8 L969-WH-18 A768-BU-18 326-RD 9G-7641
D 6 S ON

L24
235-BK-14
235-BK-18
235-BK-18

412-BU-18
CAB A769-GY-18 9 L968-OR-18 L969-WH-18 307-OR
892-BR-18
893-GN-18
403-GN-18

235-BK-18
172-GN-18

7 B ST F
M744-PK-18
M743-GN-18
M748-OR-18
M747-PU-18
M746-YL-18
H792-BR-18
M745-BU-18

C987-RD-14

A770-PK-18
130-RD-14

892-BR-18
893-GN-18
235-BK-14

168-RD-10

169-PK-18

646-RD-18
A768-BU-18 3 A769-GY-18 M736-BU-18 105-RD 780-PU-18
304-WH-8

109-RD-6
109-RD-4

101-RD-4
A588-GN

8630-BU
8 F
308-YL

151-GN

105-RD
184-RD

147-PU
322-GY
607-PK
616-BU

151-GN

638-WH
ATCH SPEAKER (R)
308-YL

511-BR-18 K906-GN-18 2 A768-BU-18 F889-WH-18 235-BK-18 150-OR-18

ATCH BEACON RELAY 7Y-5505 9 F L
512-GN-18 326-RD 1 K906-GN-18

A893-OR-18
H705-BR-18
161-3128

L51
998-BR-18 10 308-YL 235-BK-18

320-RD-18

645-RD-18
L58 G L13 10 11
8630-BU 200-BK-18 F889-WH-18 7 326-RD A769-GY-18
12 F

154-RD
189-RD

607-PK

615-YL

118-GY
BK-00 A537-PK-18 12 307-OR L968-OR-18

L51
L57

L49
TT D CC

L49
D D PP NN EE DD D BK-00 199-OR 638-WH 4 105-RD

512-GN-18
511-BR-18
JJ D A F ATCH QUICK
10
11

4
3
12

L13
4
7
3
8

4
3
5
6

6
2
5

4
3
5
6
5

2
2
1
6

200-BK 200-BK-18 1 150-OR-18 COUPLER SW

L51

235-BK-16
2 3 CONN 35

172-GN-18
L59

H705-BR-18

A893-OR-18

123-WH-18

E565-BU-18
124-GN-14

113-OR-18
B 150-6988

E562-PU-18
235-BK-16 1 F716-WH-18

175-RD-14

320-RD-18

645-RD-18

235-BK-14
Z B B 200-BK-18 2 780-PU-18 150-OR-18
G 1 G

780-PU-18
779-WH-18
KK

152-BU

179-BU
120-YL
147-PU

129-BU
307-OR
199-OR
A588-GN
308-YL
103-RD

154-RD
189-RD

607-PK
615-YL

118-GY

235-BK
235-BK
B B B B 2 235-BK-18 A F 780-PU-18

114-RD
L58 L59 L58 L49 L49 B WASHER
L76

L59

CONN 4 BLOCK AS. CONN 7

GROUND STRAP DISCONNECT SW. MOTOR 7T-8890
CONSOLE(RH)
168-RD-10

121-1023 506-PU-18 308-YL

304-WH-8

109-RD-4

101-RD-4

101-RD-4

L51
M748-OR-18
H792-BR-18
M745-BU-18
M744-PK-18
M743-GN-18
M747-PU-18
M746-YL-18

A770-PK-18
167-3583 7N-0718 L80

130-RD-14

892-BR-18
893-GN-18
235-BK-14

168-RD-10

646-RD-18

169-PK-18
954-GN

304-WH-8
109-RD-4
101-RD-4
G

A588-GN

8630-BU

G976-BU-18

A893-OR-18
147-PU
607-PK

105-RD
184-RD

322-GY
616-BU

638-WH

151-GN
7N-0719 (NOTE D)
L58

412-BU-18

506-PU-18
CONN 3 509-WH-18 CAB WW WW
D D AF

147-PU

200-BK
ATCH SPEAKER (L) 508-PU-18 615-YL 615-YL 615-YL 615-YL ATCH
C
A
B

430-BU-18 7Y-5505 615-YL 200-BK 200-BK CAB LAMP

11

10

12
11

10

12
7
8

5
6
9

2
4
1

1
4
2
6

5
8

9
L38 G VV VV 167-3441

7
3

4
2
1
3
RELAY PANEL G976-BU-18 G 103-RD
LL DOME LAMP
412-BU-18 M743-GN-18 103-RD 103-RD 103-RD
B B B G 176-1986
506-PU-18 M744-PK-18 AG AG 103-RD 200-BK 200-BK 200-BK G
L46 L70 L68 L68
L59
308-YL

L56 CONN 8 CONN 9 CONN 11 200-BK M746-YL-18 200-BK-18 1 200-BK-18 200-BK-18 200-BK 200-BK
BUZZER AS WW WW
ATCH
L77

L70

235-BK-16 M747-PU-18 113-4683 E562-PU-18 2 E562-PU-18 200-BK-14 200-BK 615-YL 615-YL

L59 CHASSIS CAB LAMP
200-BK 200-BK 200-BK-18 200-BK-18 200-BK 200-BK
CONN 20 G VV VV 167-3441

L70
147-PU G G

L38
L76

L36
A893-OR-18 CAB 200-BK-18 200-BK-18 WINDOW
A584-BU-18 LIMIT SW
L70 L70 L70 L70 117-6306
L56

509-WH-18
508-PU-18
L77

L62

L24
L68

L35
L18

L25

L26
L7 L7
308-YL
308-YL 308-YL
E565-BU-18
E562-PU-18

L36

H705-BR-18

A893-OR-18

A770-PK-18
MONITOR CONN 44
168-RD-10

130-RD-14

893-GN-18
235-BK-14
892-BR-18

169-PK-18
113-OR-18

646-RD-18
124-GN-14

175-RD-14

320-RD-18

645-RD-18

123-WH-18

235-BK-18
780-PU-18
235-BK-18

779-WH-18

308-YL
172-GN-18

191-WH-16
308-YL

101-RD-4
109-RD-4

304-WH-8
A588-GN

8630-BU
L62

638-WH
607-PK

616-BU
322-GY

184-RD

147-PU
120-YL

607-PK
103-RD

307-OR

118-GY
199-OR
189-RD
105-RD
154-RD
151-GN

615-YL

308-YL
308-YL
157-3198 N N G

129-BU
147-PU
CONN 21
A G GND 2 201-BK-18 2 201-BK-18

132-1829
ACTION ALARM G
2 ATCH ACC 3 169-PK-18 3 169-PK-18

L7
135-BU-14 G

ATCH 12V 7A CONV

12V 7A SOCKET CIGAR L7
1 210-BK-14 129-BU LIGHT 7 607-PK 7 607-PK

LIGHT OUT (DC 12V)

LIGHT OUT (DC 12V)

LIGHTER

LIGHT IN (DC 24V)

LIGHT IN (DC 24V)

21 121-0987 G 200-BK CDL + 5 893-GN-18 5 893-GN-18
20 9W-0335 CDL - 6 892-BR-18 6 892-BR-18

12V 7A CONV
L6

2
1
169-PK-18

24 BAT IN MEM

24 BAT IN MEM
200-BK-14 200-BK-14 14 200-BK-14 +B 1 103-RD 1 103-RD
L41

131-0327
607-PK
SERVICE
L44

200-BK 200-BK-14 12 200-BK-14 403-GN-18 + - +12V 4 4

L36

12V MEM OUT

12V SW. OUT

12V SW. OUT

12V MEM OUT

L26

235-BK-18
410-WH-18
24V SW. IN

24V SW. IN
235-BK-14 CONN 18 6 METER 8 8 A/C PHOTO
ATCH G
A893-OR-18 7 C569-YL-14 6T-7337 SENSOR
B A 12V 7A SOCKET Y/G
184-RD 18 8 211-BK-16 200-BK-18 167-7083
L41 L41 L40 121-0987 (NOTE F) G
892-BR-18 37 F716-WH-18 9 (NOTE G)

GND
GND

GND
GND
F 147-PU 893-GN-18 23 18 147-PU L5 F
C538-OR-18
147-PU 147-PU 24 200-BK 5 8630-BU Y/W C537-GN-18
L44

235-BK-18
34 A537-PK-18 4 199-OR G G
F889-WH-18 35 307-OR 15 307-OR
L46 L46 L11 G A586-OR-18 4 W. INT(6)

3
7
5
6
1
4
2

2
3
7
5
6
1
4
8

8
L973-GN 38 235-BK-18 16 310-PU

120-YL-16
120-YL-16
L39 L39 L39 L26

120-YL-16
M736-BU-18 6 A580-GN-14 3 L973-GN G G WIPER CONT 590-GY-18 5 W. INT(3)

L40
501-GN-18 14 W. LOW

103-RD-18

200-BK-16

120-YL-16

120-YL-16
103-RD-18

200-BK-16
211-BK-16

135-BU-16

139-OR-18
155-7042

210-BK-16
C569-YL-16
403-GN-18 5 A579-OR-14 19 123-WH-18
530-OR-18 17 WASH

308-YL
147-PU
893-GN-18 K907-BU-18 45 308-YL 118-GY-14 17 WINDOW SW 1 A584-BU-18
645-RD-18 2 L. BOOM

L62
893-GN-18 L969-WH-18 32 235-BK-18 118-GY-14 10 MOT WIPER 9 A579-OR

410-WH-18

403-GN-18
ENG CONT 892-BR-18 L968-OR-18 31 H473-BR-18 A579-OR-14 11 607-PK BRAKE WIP 10 A580-BR 200-BK-18 20 GND

129-BU
235-BK-18
235-BK-18
157-3165 B L35 3
893-GN-18 H466-BU-18 4 H476-WH-18 A580-GN-14 13 607-PK 607-PK INT SP 1 6 A586-OR-18

200-BK-18

200-BK-14

201-BK-18
12

235-BK-18

430-BU-18
1 H465-GN-18 3 H475-BU-18 169-PK-18 G CONN 22 G INT SP 2 7 590-GY-18

200-BK

200-BK

200-BK
L30 L30 A 13
ANALOG SENSOR POWER 2 403-GN-18 184-RD H467-WH-18 2 H474-GN-18 607-PK 1 638-WH 1 WIPER SW 2 501-GN-18
L47 L40 15
ANALOG SENSOR RETURN 3 403-GN-18 892-BR-18 892-BR-18 410-WH-18 33 E562-PU-18 638-WH 2 200-BK 2 WASHER SW 8 530-OR-18

L24

L25
16

L45
THROTTLE POWER 4 L973-GN 893-GN-18 893-GN-18 892-BR-18 7 L972-BU-18 8630-BU A G +24 V 11 118-GY-14
6 F889-WH-18 893-GN-18 893-GN-18 893-GN-18 11 A755-PK-18 199-OR 9 615-YL 235-BK-18 GND IN 5 200-BK 11 TRAVEL MODE IND 2
7 ACL SW L973-GN 893-GN-18 893-GN-18 12 A756-BU-18 123-WH-18 13 169-PK-18 410-WH-18 MOT WASH 4 506-PU-18 H466-BU-18 19 AEC MODE IND
10 154-0498 403-GN-18 892-BR-18 892-BR-18 13 A757-GY-18 615-YL 16 129-BU G H465-GN-18 18 ALARM CANCEL IND
CONN 23 L12 CAB M741-GY-18 8 ALARM CANCEL SW
11 M736-BU-18 892-BR-18 892-BR-18 14 A758-BR-18 646-RD-18 5 403-GN-18
L30 L25 M742-PU-18 7 AEC MODE SW

F889-WH-18
F889-WH-18

403-GN-18
403-GN-18
403-GN-18
12 K907-BU-18 H473-BR-18 10 F773-OR-18 113-OR-18 12 506-PU-18 L9

L973-GN
L973-GN
13 B B L969-WH-18 H476-WH-18 9 F774-WH-18 129-BU 7 H466-BU-18 645-RD-18 M734-BR-18 6 TRAVEL MODE SW
L18 646-RD-18 1 L. CHASSIS
L76

14 L968-OR-18 H475-BU-18 8 M736-BU-18 103-RD 1 H465-GN-18 200-BK 200-BK

15 H466-BU-18 H474-GN-18 46 K907-BU-18 645-RD-18 14 M741-GY-18 200-BK-18 200-BK-18 H467-WH-18 10 TRAVEL MODE IND 1
L9 L9 L9 113-OR-18 9 +B
L77

L68
NOT AVAILABLE-USED ON J2 16 H465-GN-18 L29 L972-BU-18 47 L969-WH-18 147-PU 2 M742-PU-18

L6
L45
17 H467-WH-18 A755-PK-18 48 L968-OR-18 120-YL 11 M734-BR-18
L44 ENG/PUMP CONT E480-WH-18
18 410-WH-18 A756-BU-18 44 A769-GY-18 118-GY-14 10 646-RD-18
L76 J2 157-3165 J1 SWITCH PANEL

L39
20 A757-GY-18 43 A768-BU-18 118-GY-14 8 H467-WH-18 210-BK-16
L77 163-6701

ATCH LOWER RADIO

21 17 OPTION V SW(2) 49 A758-BR-18 42 K906-GN-18 120-YL 15 E480-WH-18 2 508-PU-18 210-BK-16 210-BK-16

L6
SHARED WITH TDC CAL 24 K907-BU-18 4 SWING BK CANCEL SOL SW RETURN 6 M741-GY-18 30 326-RD 4 113-OR-18 3 210-BK-16 210-BK-16

F889-WH-18

K849-YL-18
L38
403-GN-18
SHARED WITH TDC CAL 25 L969-WH-18 7 PS CONT PRV 44 M742-PU-18 22 F889-WH-18 17 1 509-WH-18 139-OR-18 135-BU-16

L973-GN
26 L968-OR-18 19 PRV RETURN(1) 34 M734-BR-18 36 998-BR-18 18 5 139-OR-18 139-OR-18 139-OR-18 135-BU-16

954-GN
NOT AVAILABLE-USED ON J2 27 H466-BU-18 14 AEC MODE IND 35 308-YL 29 E565-18-BU H466-BU-18 3 586-BR 6 135-BU-16 135-BU-16 135-BU-16
L10

K849-YL-18
29 H465-GN-18 24 TRAVEL ALM CANCEL IND 15 E480-WH-18 20 H466-BU-18 H465-GN-18 6 A537-PK-18 7 512-GN-18 512-GN-18
L55
30 JJ H467-WH-18 15 TRAVEL MODE IND 3 19 H465-GN-18 M741-GY-18 A G CONN 24 4 512-GN-18 512-GN-18
E 31
32 2
P
G850-BU-18
410-WH-18
M736-BU-18
23
47
ACTION ALM
BKUP SW
25
24
15
16
M741-GY-18
M742-PU-18
M742-PU-18
M734-BR-18
2
7
410-WH-18
129-BU
8 511-BR-18 511-BR-18 E
G
BK-00

RD-00

BK-00

RD-00

L55 L12 512-GN-18 511-BR-18 511-BR-18

L68
33 1 C987-RD-18 403-GN-18 35 ALT R TERM CREEPER TRAVEL FUNCTION SW 17 17 M734-BR-18 H467-WH-18 1 403-GN-18 511-BR-18 508-PU-18 508-PU-18

L81
34 HH L973-GN 6 FREE SWING AIR HEATER CONTROLLER 4 F716-WH-18 21 H467-WH-18 410-WH-18 3 506-PU-18 508-PU-18

L5
GG AIH LL 509-WH-18 509-WH-18
35 RD-00 RD-00 101-RD-4 F889-WH-18 44 GOV COMMAND 37 E565-BU-18 49 410-WH-18 893-GN-18 8 645-RD-18 509-WH-18

893-GN-18
892-BR-18
36 CC BB AA B 763-BU-18 2 TRAVEL SP CHG SOL 36 506-PU-18 41 893-GN-18 892-BR-18 12 235-BK-18

103-RD
HEATER 509-WH-18 508-PU-18

5
3

1
6

2
37 NEG POS NEG POS NEG POS NEG POS 788-YL-18 16 SP SNSR(-) 27 E554-PK-18 40 892-BR-18 310-PU 10 893-GN-18 L11
RELAY 509-WH-18 508-PU-18

892-BR-18
892-BR-18
893-GN-18
893-GN-18
38 A762-PU-18 25 SP SNSR(+) 26 CONN 16 F773-OR-18 53 310-PU 506-PU-18 9 892-BR-18
L28 509-WH-18 508-PU-18

184-RD
39 M740-PK-18 1 TRAVEL STR SOL OPTION SW 7 F774-WH-18 51 578-BU 403-GN-18 6
L48 L69

123-WH-18
ATCH BATTERY BATTERY A769-GY-18

210-BK-16
40 M737-WH-18 8 FLOW LIMIT PRESS PRV OPTION SW 8 50 506-PU-18 E480-WH-18 5

139-OR-18
509-WH-18
135-BU-16

512-GN-18

508-PU-18
511-BR-18
L973-GN
8630-BU
3T-5760 3T-5760

147-PU
147-PU
147-PU
41 M738-OR-18 9 PRIM NFC PRESS PRV AUTO LUB FAILURE 5 A768-BU-18 52 403-GN-18 L973-GN 4

307-OR
310-PU
199-OR

147-PU
42 ALT 321-BR-18 13 TRAVEL ALM SPL FLTR PLUGGED 52 K906-GN-18 28 L973-GN 586-BR 11 103-RD 103-RD
A537-PK-28

L8
43 109-RD-4
B
+ R
B
403-GN-18 M739-YL-18 20 PRV RETURN(2) F SEC FLTR PLUGGED 51 Z E562-PU-18 25 E480-WH-18
KK CONN 25 103-RD L10
586-BR
44 495-GN-18 30 FUEL LEVEL F PRIM FLTR PLUGGED 38 998-BR-18 26 G
ALTERNATOR A M744-PK-18

5
3

1
6

2
45 K904-GN-18 37 PUMP DISCH (1) PRESS SNSRCAPSULE FLTR PLUGGED 42 487-OR-18 235-BK-18 27 L68 L32 G
185-5294 B L39 B M746-YL-18
46 200-BK-4 491-PK-18 39 HYD OIL TEMP SNSR HYD. OIL LEVEL SW 32 496-WH-18 B 54 586-BR

8
4
1
6
5
7
3
2
C M747-PU-18

184-RD
184-RD

L24
47 T967-YL-18 45 PUMP DISCH (2) PRESS SNSR ENG OIL PRESS SW 41 405-GY-18 1 E554-PK-18

K850-BR-18
K852-GN-18
K851-BU-18
K849-YL-18
893-GN-18
892-BR-18

892-BR-18
892-BR-18
893-GN-18
893-GN-18
49 H446-PK-18 46 O.L.W.D PRESS SNSR ENG OIL LEVEL SW 40 C468-BU-18 39

L62
A G CONN 26 ATCH UPPER RADIO
50 36 GOV FDBK GND 14 235-BK
A/C CLUTCH B
L76

51 3 GND 2 235-BK A580-GN-14 A580-GN-14

54 SOL 2 200-BK-18 26 OPTION V SW(1) 50 A579-OR-14 A579-OR-14
113-3499
L77

55 1 E554-PK-18 11 OPTION CONT PRV(1) 54 118-GY-14 118-GY-14 118-GY-14

L28
56 12 OPTION CONT PRV(2) +B 13 184-RD

L69
118-GY-14 118-GY-14
57 B 21 PRV RETURN(3) +B 1 184-RD
L32 L5
58 ENG OIL 2 235-BK-18 10 FAN MOT CONT PRV ACL PLUGGED 48 430-BU-18 A G
LEVEL SW L38 120-YL 1 120-YL
60 1 C468-BU-18 22 PRV RETURN(4) WTR SEPARATOR LEVEL SW 47 G976-BU-18
L24

E480-WH-18

A537-PK-18

M746-YL-18
M747-PU-18
M744-PK-18
111-4759 3

607-PK-18
607-PK-18
235-BK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

200-BK-18
200-BK-18

607-PK-18
607-PK-18

123-WH-18
200-BK-18
200-BK-18

607-PK-18

200-BK-18
62 40 SNSR RETURN COOL. LEVEL SW 31 412-BU-18

8630-BU

L973-GN
CONN 27

C537-GN-18
C538-OR-18
4

199-OR

307-OR

310-PU

586-BR

147-PU

147-PU
64 28 ATCH STEM 2 SWING CANCEL 18 K850-BR-18

191-WH-16
E554-PK-14
ENG SPEED B 5

175-RD-14
124-GN-14

200-BK-14
67 5 HEATER RLY/STARTER RLY CAT DATA LINK(-) 43 892-BR-18 892-BR-18

200-BK-14
L44

L45

L39

L47

L33
L46

L48
PICKUP 2

607-PK
-B 61 229-BK-14 WH-18 1 788-YL-18 18 CAT DATA LINK(+) 33 893-GN-18 893-GN-18
189-5746 L31 L31 L31 6
-B 63 229-BK-14 229-BK-14 BK-18 2 A762-PU-18 31 ANLG SNSR RETURN ATCH STEM 1 SWING CANCEL 28 K849-YL-18 K849-YL-18
-B 65 229-BK-14 29 COOL TEMP SNSR ATCH STEM 3 SWING CANCEL 45 K851-BU-18 K851-BU-18
B

L29
F716-WH-18
A G
E562-PU-18
200-BK-18

C468-BU-18

F889-WH-18

A762-PU-18
M740-PK-18
M737-WH-18
M738-OR-18

M739-YL-18

K904-GN-18

T967-YL-18
H446-PK-18
F774-WH-18
F773-OR-18
E554-PK-18
K906-GN-18
A768-BU-18
A769-GY-18
H705-BR-18

E565-BU-18

G G G ABBREV COLOR
168-RD-10

130-RD-14

506-PU-18

487-OR-18
496-WH-18
405-GY-18

893-GN-18
892-BR-18
403-GN-18

763-BU-18
788-YL-18

321-BR-18

495-GN-18

491-PK-18

998-BR-18
+B 48
893-GN-18
892-BR-18

130-RD-14 304-WH-8 52 +12V SPLY ATCH STEM 4 SWING CANCEL 46 K852-GN-18 K852-GN-18 G G G G
235-BK-16
101-RD-4
109-RD-4

304-WH-8

780-PU-18
779-WH-18

E562-PU-18 C E562-PU-18 E562-PU-18

A588-GN

L973-GN
403-GN-18

G S
607-PK

616-BU
322-GY

308-YL
147-PU

200-BK

+B 52 130-RD-14 130-RD-14 54 OVER LOAD ALM CANCEL SW 16 E480-WH-18 A G AL

B E565-BU-18 B E565-BU-18 E562-PU-18 NOTE C NOTE C NOTE C RD RED
+B 53 130-RD-14 101-RD-4 48 OPTION PWM IN(1) TRAVEL STR PRESS SW 53 H473-BR-18
D 191-WH-16 A 191-WH-16 D

6
3
1
4

5
2
MTR BAT AA WH WHITE
68 RD-00 34 JOYSTICK PRESS SW 29 H476-WH-18
GG L82
A762-PU-18

C468-BU-18
E554-PK-18

OR ORANGE
788-YL-18

403-GN-18

69 130-RD-14 RD-00 33 TRAVEL LEFT PRESS SW 30 H475-BU-18 CONN 28

101-RD-4
304-WH-8

109-RD-4

R/L
AM YL YELLOW

BR
USER DEFINED SHUTDOWN 59 H705-BR-18 43 TRAVEL RIGHT PRESS SW 39 H474-GN-18

B
B
MOTOR CAB PK PINK
235-BK-14
235-BK-14
235-BK-18
200-BK-18

235-BK-18
235-BK-14
200-BK-18
235-BK-16
235-BK-14
235-BK-18
200-BK-18

FUEL PUMP RELAY 19 H705-BR-18 49 ONE TOUCH LO IDEL SW 11 L972-BU-18 ATCH O.L.W.D
200-BK-4

STARTER L29 L29 BK BLACK

THROTTLE RETURN 5 998-BR-18 50 THRT POS 1 9 A755-PK-18 ALARM CANCEL SW
CAT DATA LINK + 8 893-GN-18 MOTOR 51 THRT POS 2 10 A756-BU-18 170-9317 GY GRAY
104-7040 F716-WH-18 PU PURPLE
893-GN-18
892-BR-18

CAT DATA LINK - 9 892-BR-18 32 THRT POS 3 19 A757-GY-18

H918-WH
E562-PU-18
H705-BR-18

E565-BU-18
L42

200-BK
ROTARY SW
403-GN-18

F716-WH-18
A762-PU-18

C468-BU-18
E554-PK-18

F774-WH-18
F773-OR-18

F889-WH-18

K906-GN-18
M740-PK-18

A768-BU-18
A769-GY-18

K904-GN-18
T967-YL-18
M738-OR-18
M737-WH-18
M739-YL-18

H446-PK-18

BR BROWN
235-BK-16

L33
780-PU-18
788-YL-18

403-GN-18

893-GN-18
892-BR-18

405-GY-18
130-RD-14

998-BR-18

763-BU-18

168-RD-10

496-WH-18
487-OR-18

491-PK-18
495-GN-18
321-BR-18
200-BK-18

506-PU-18
THROTTLE BACKUP (ACCEL) 22 F773-OR-18 41 THRT POS 4 20 A758-BR-18 E554-PK-18
779-WH-18
101-RD-4
304-WH-8

109-RD-4

A588-GN

L973-GN

155-2715
308-YL

200-BK
616-BU
322-GY
607-PK

147-PU

THROTTLE BACKUP (DECEL) 23 F774-WH-18 42 TRAVEL ALM CANCEL SW 22 M741-GY-18 F773-OR-18 GN GREEN
G A/C SW PANEL BU BLUE
L43

LOW OIL PRESSURE OUTPUT 28 405-GN-18 GROUND STRAP 53 AEC MODE SW 12 M742-PU-18 F774-WH-18 E562-PU-18 2 BN 2
B L33 L28 ATCH ATCH FINE ATCH SEAT ATCH BOOM 157-3210
THROTTLE 66 F889-WH-18 128-8886 38 TRAVEL MODE SW 21 M734-BR-18 A769-GY-18 E565-BU-18 4 GN
IGNITION KEY SW 70 308-YL 27 KEY SW ON 23 308-YL A768-BU-18 HEATER UNIT 4 SWING CONT SW HEATER SW FLOAT EXCHANGE ATCH HEATER SYMBOL DESCRIPTION
3 BU
Z LL B 164-0490 3 163-6722 163-6721 SW PANEL
L42

229-BK-14 B K906-GN-18 191-WH-16 1 BK 186-46-39

1
ENG CONT GND STRAP 998-BR-18 176-2005 BLADE, SPADE, RING,
L33
L37
L43

CHASSIS A/C UNIT OR SCREW TERMINAL

L42

L21

E562-PU-18
ENG BLOCK L37 L37 161-3779
E565-BU-18 CAB CAB
L42

L62
L69
L81
506-PU-18 OPERATOR STATION CIRCUIT CONNECTED
L55
RENR7206-00

L21 L21 L21 ANTENNA CIRCUIT NOT CONNECTED

INLET AIR HTR RLY COMMON 9 C987-RD-18 616-BU
INLET AIR HTR RLY 12 G850-BU-18 L55 167-3492 322-GY
15 235-BK-18 200-BK AN ELECTRICAL CONNECTION
L21 AM AN HIGH PRESSURE TO MACHINE STRUCTURE
30 235-BK-18 607-PK
L22 L22 L1 1 H918-WH 1 ATCH QUICK
63 235-BK-18 235-BK-18 168-RD-10
R INJECTOR Z 2 200-BK 2 COUPLER SOL(A1) INTERNAL ELECTRICAL
10 A706-GY-18 1 235-BK-18 235-BK-18 M740-PK-18 235-BK-18
SOL 6 B ATCH TOOLE +B L2 B 156-9513 CONNECTION TO SURFACE
11 L985-YL-18 2 235-BK-18 235-BK-18 K906-GN-18 YL-18 A 308-YL H446-PK-18

200-BK-18
779-WH-18
780-PU-18
M740-PK-18
K906-GN-18

H446-PK-18

A769-GY-18
A768-BU-18

M739-YL-18
M737-WH-18
M738-OR-18
T967-YL-18
K904-GN-18
TRAVEL PRESS. OF COMPONENT

763-BU-18

487-OR-18
496-WH-18
321-BR-18
495-GN-18
491-PK-18

168-RD-10

235-BK-18
8 235-BK-18 235-BK-18 2 235-BK-18 763-BU-18 SIGNAL BR-18 C E469-YL-18 147-PU
CONN 1

A588-GN

L973-GN
R L67 L67 CONN 42 J

200-BK

147-PU

607-PK
322-GY
616-BU
13 L985-YL-18 1 INJECTOR STRAIGHT SOL 1 M740-PK-18 A588-GN SENSOR GROUND BK-18 B 235-BK-18 K904-GN-18
HYD LOCK B K
SOL 5 121-1491 000-0000 CONNECTOR

L22
4 P R A705-BU-18 2 200-BK-18 SOL K855-PK-18 T967-YL-18 616-BU
B L4 616-BU 1 616-BU 616-BU ATCH
INJECTOR 6 55 A706-GY-18 6 121-1491 K867-YL-18 M738-OR-18
R INJECTOR SWING B 200-BK 2 200-BK 200-BK BOOM LAMP GOLD TERMINAL
INJECTOR COMMON 5&6 46 L985-YL-18 L985-YL-18 8 A704-GN-18 1 1 K906-GN-18 M737-WH-18

L4
SOL 4 TRAVEL B BRAKE SOL 1 A588-GN L3 200-BK 153-2521
5 L985-YL-18 7 L984-OR-18 2 2 235-BK-18 ATCH SEPARATE 1 K855-PK-18 M739-YL-18
INJECTOR 5 54 A705-BU-18 5 SPEED SOL 2 235-BK-18 121-1491 2 200-BK-18 VALVE SOL 2 K867-YL-18 491-PK-18 322-GY 1 J ATCH WIRE, CABLE,
R INJECTOR K COMPONENT

L67
INJECTOR 4 39 A704-GN-18 4 L984-OR-18 1 121-1491 1 763-BU-18 111-9916 495-GN-18 ATCH 200-BK 2
C INJECTOR COMMON 3&4 45 L984-OR-18 L984-OR-18 10 A703-BR-18 2 SOL 3
L76 L76 L76
321-BR-18 FINE SWING SOL
B M C
6 L984-OR-18 9 496-WH-18 CONN 43 L# CIRCUIT GROUPING
R 107-7056
INJECTOR 3 38 A703-BR-18 3 A702-PU-18 1 INJECTOR L4 487-OR-18 DESIGNATION
SOL 2 ATCH BOOM DOWN KK B S S ATCH
INJECTOR 2 37 A702-PU-18 2 L983-WH-18 2 A768-BU-18 200-BK
LINE OUT OFF SOL L973-GN 1 1 BOOM LAMP
INJECTOR COMMON 1&2 44 L983-WH-18 L983-WH-18 12 2 200-BK-18 200-BK-18 A769-GY-18 616-BU
R L64 L64 200-BK 2 2 153-2521

200-BK
200-BK
7 L983-WH-18 11 L983-WH-18 1 INJECTOR (S1) 1 M748-OR-18 KK M745-BU-18 IDENT PART NO. LOC NOTE
INJECTOR 1 36 A701-GY-18 1 A701-GY-18 2 SOL 1 185-0472 M748-OR-18 M748-OR-18 1 ATCH BOOM M749-WH-18 L973-GN CONN 34
L77 DOWN PRESS. SW ATCH J HARNESS AS.
17 M745-BU-18 M745-BU-18 2
47 G826-BR-18 H792-BR-18 M745-BU-18 167-3466 Z VALVE CONT Z K
OIL PRESSURE SENSOR +5V 41 G826-BR-18 G826-BR-18 P A OR +5V ENG OIL PRESSURE 4 +B 1 C987-RD-14 A 219-0268 G-3
ENG OIL PRESSURE 24 C990-YL-18 C990-YL-18 C WH SENSOR SIGNAL SENSOR 5 +B 13 C987-RD-14 C987-RD-14 235-BK-18 M B 219-0269 A-2
L76 L67 HORN
OIL PRESSURE SENSOR RTN 42 G827-BU-18 G827-BU-18 B BK SENSOR COMMON 194-6725 6 INTER LOCK 53 151-GN 151-GN 235-BK-18 780-PU-18 322-GY C 204-0008 A-4

L81
19 11 KEY SW 23 308-YL 308-YL M740-PK-18 779-WH-18 200-BK 7Y-3919 D 219-4632 G-8
P

K867-YL-18
K855-PK-18
E469-YL-18
E 170-6959 I-3

235-BK-18
29 G827-BU-18 B YL SENSOR COMMON FUEL PRESSURE 15 4 308-YL K906-GN-18
L22

308-YL
FUEL PRESSURE 16 C991-PK-18 C991-PK-18 C GN SENSOR SIGNAL SENSOR 17 STEM1 EXTEND SW 9 308-YL 763-BU-18 322-GY F 186-4624 G-1

L2
31 G826-BR-18 A OR +5V 194-6725 20 STEM1 RETRACT SW 10 308-YL A588-GN 200-BK B 322-GY HORN G 198-0857 D-1

L3

L1
7Y-3920 J 216-7760 C-1

L64
20 21 STEM2 EXTEND SW 19 200-BK-18 200-BK-18 200-BK 200-BK
KK K 186-4618 C-1 NOTE A
L74

21 24 STEM2 RETRACT SW 20 235-BK-18 200-BK-18 200-BK 200-BK

ATCH UP/DOWN L64 M L 170-6828 G-1

L62
L69
26 G828-WH-18 M749-WH-18 2 32 STEM3 RETRACT SW 12 200-BK-18 200-BK-10
28 G828-WH-18 H792-BR-18 1 PRESS. SW 49 STEM3 EXTEND SW 11 K843-GN-18 KK M 163-6750 C-2
L62 L62
ENG PRESS SENSOR +5V 2 G828-WH-18 G828-WH-18 P A OR +5V ATMOSPHERIC 168-7557 27 STEM4 EXTEND SW 21 K844-GY-18 CHASSIS N 163-6810 F-1
K868-BR-18
K860-BU-18
K861-GN-18
K869-BU-18
K862-GY-18
K863-OR-18
K859-BR-18
K858-YL-18
K857-WH-18
K856-PU-18

ATMOSPHERIC PRESSURE 14 R747-GY-18 R747-GY-18 C GN SENSOR SIGNAL PRESS. SNSR 31 STEM4 RETRACT SW 22 K848-WH-18 P 195-7336 A-12
L3 R 153-8920 C-11
ENG PRESS SENSOR RTN 3 G829-GN-18 G829-GN-18 B YL SENSOR COMMON 194-6722 34 5 E474-OR-18
33 G829-GN-18 G829-GN-18 42 6 E473-GY-18 S 193-3494 C-3
P L71 L3 780-PU-18 HIGH PRESSURE T 204-1686 A-2
1 G829-GN-18 B BK SENSOR COMMON INJ ACTUATION 43 7 E476-PU-18 GROUND BK-18 B 235-BK-18 235-BK-18
Z L2 780-PU-18 ATCH QUICK U 116-0098 A-3
INJ ACTUATION PRESSURE 27 G849-BR-18 G849-BR-18 C WH SENSOR SIGNAL PRESS. SNSR 44 8 E475-PK-18 K867-YL-18 SIGNAL BR-18 C H446-PK-18 H446-PK-18
L74 ATCH SQUEEZE 780-PU-18 COUPLER SOL(A1) V 116-0096 A-3
67 G828-WH-18 A OR +5V 194-6726 K858-YL-18 9 ATCH STEM3 CONT PRV(A) 16 E472-GN-18 K855-PK-18 235-BK-18 B GROUND +B YL-18 A 147-PU 147-PU
L73 B

K904-GN-18
T967-YL-18
M738-OR-18
M737-WH-18
M739-YL-18

A768-BU-18
A769-GY-18
PRESS SENSOR 156-9513 AG 155-4572 G-4

491-PK-18
496-WH-18
495-GN-18
321-BR-18

487-OR-18
235-BK-18

325-PK-18
53 K857-WH-18 18 ATCH STEM2 CONT PRV(A) 51 235-BK-16 E469-YL-18 308-YL A +B
P L65 000-0000

147-PU
ATCH O.L.W.D X 167-3457 I-5
L73

43 G829-GN-18 B YL SENSOR COMMON TURBO OUTLET K856-PU-18 28 ATCH STEM1 CONT PRV(A) 52 M906-BU-18 M906-BU-18 C SIGNAL 1
L66 PRESS SENSOR 780-PU-18 Y 167-3473 F-3
TURBO OUTLET PRESSURE 40 R746-PK-18 R746-PK-18 C GN SENSOR SIGNAL PRESSURE SENSOR K868-BR-18 39 SOL GND2 17 K877-BU-18 200-BK-18 2
50 G828-WH-18 A OR +5V 194-6723 K862-GY-18 19 ATCH STEM3 CONT PRV(B) 18 K864-PK-18 157-3182 Z 186-4637 I-1
Z B HIGH PRESSURE KK 211-3444 B-4

235-BK-18
235-BK-18
235-BK-18
235-BK-16
51 K861-GN-18 29 ATCH STEM2 CONT PRV(B) 26 K870-GN-18 ATCH RELIEF 200-BK-18
ATCH STEM 4 L74 L64 ATCH QUICK LL 183-1020 H-2 NOTE E
52 K860-BU-18 8 ATCH STEM1 CONT PRV(B) 27 K865-PU-18 235-BK-18 2 CHECK SOL2 M749-WH-18 1
CONT SOL(B) B B 780-PU-18 COUPLER SOL (A2) MM 183-0998 A-6
25 ENG OIL TEMP K859-BR-18 30 ATCH STEM4 CONT PRV(A) GND 2 235-BK-14 K866-WH-18 K877-BU-18 1 000-0000 M745-BU-18 200-BK-18 2
P
B OIL TEMP 34 F441-GN-18 F441-GN-18 1 GN SENSOR SIGNAL PASSIVE SENSOR 111-9916 Z K869-BU-18 40 SOL GND3 GND 14 235-BK-14 K876-BR-18 1569513 TT 204-1672 G-12 B

11

12
10

3
4
B

2
Z CONN 29 CONN 30 VV 167-3456 G-1

8
6
5
7
3
1
2
4
ENG TEMP SENSOR RTN 18 G833-PK-18 G833-PK-18 2 YL SENSOR COMMON 191-6587 K863-OR-18 1 K863-OR-18 10 ATCH STEM4 CONT PRV(B) RS422 RX+ 3 235-BK-14 ATCH
56 G833-PK-18 G833-PK-18 K869-BU-18 2 ATCH STEM 4 Z E470-BR-18 35 NEG CONT PRESS SNSR1 RS422 RX- 15 K864-PK-18 1 ATCH BOOM KK WW 170-9295 G-1 NOTE B
RELIEF SOL1 C C 779-WH-18 1
57 CONT SOL(A) 1 K859-BR-18 E471-BU-18 45 NEG CONT PRESS SNSR2 RS422 TX+ 24 K870-GN-18 K870-GN-18 2 CHECK SOL1 1 M745-BU-18 AF 206-7599 G-9
COOLANT TEMP L73 112-0090 200-BK-18 2
COOLANT TEMP 32 995-BU-18 995-BU-18 P 1 GN SENSOR SIGNAL 111-9916 2 K869-BU-18 K853-GY-18 47 PUMP1 F1 F CONT PRV RS422 TX- 25 K870-GN-18 (EC1) 2 200-BK-18 LOW PRESSURE AL 217-3867 I-3
L65

SENSOR B
L73

60 G833-PK-18 2 YL SENSOR COMMON Z K854-OR-18 48 PUMP2 F1 F CONT PRV SNSR GND 28 190-7770 200-BK-18 ATCH QUICK AM 217-3868 I-4
130-9811

A768-BU-18
A769-GY-18
K904-GN-18

T967-YL-18
M738-OR-18
M737-WH-18
M739-YL-18
AN 217-3869 I-3

235-BK-18

487-OR-18
491-PK-18
496-WH-18
495-GN-18
235-BK-18
321-BR-18
325-PK-18
69 K862-GY-18 1 K867-YL-18 52 ATCH STEM1 NEUTRAL 31 200-BK-18 200-BK-18 COUPLER SOL (A3)
INTAKE AIR TEMP
G853-OR-18 P ATCH STEM 3 Z

147-PU
INTAKE AIR TEMP 35 G853-OR-18 1 GN SENSOR SIGNAL K869-BU-18 2 53 ATCH STEM2 NEUTRAL 32 121-1491 WIRE AS.
SENSOR
K867-YL-18
E470-BR-18
E471-BU-18
K853-GY-18
K854-OR-18
K867-YL-18

CONT SOL(A) ATCH BOOM KK

235-BK-18

64 G833-PK-18 2 YL SENSOR COMMON 1 K858-YL-18 38 PRV RETURN(1) RS232 RX 34 CONN 33

130-9811 200-BK-18
308-YL

65 ATCH STEM 3 111-9916 2 K869-BU-18 K867-YL-18 50 RS232 TX 35 Z CHECK SOL2 2 200-BK-18 T B

P DUAL CAM ATCH 200-BK-18 200-BK-18 NN 183-1011 H-10
CONT SOL(B)
L66

TOP CAM S/T - 49 E963-BK-18 E963-BK-18 A GN S/T - K867-YL-18 51 ATCH STEM3 NEUTRAL 41 K870-GN-18 2 RELIEF SOL2 (EC2) 1 M749-WH-18 PP 111-4829 H-10
SP/TMG SNSR(HI) 111-9916 200-BK-10 200-BK-18
TOP CAM S/T + 48 E964-WH-18 E964-WH-18 B YL S/T + M906-BU-18 16 STEM1(SQUEEZE) PRESS SNSR ATCH STEM4 NEUTRAL 42 K865-PU-18 1 000-0000 165-9560 RR 183-1012 H-10
169-3300 168-RD-10
66 K869-BU-18 K869-BU-18 E469-YL-18 25 TOOL PRESS SNSR RS232 GND 44 L1 B SS 163-6780 I-7
P DUAL CAM L19 200-BK-18
BOTTOM CAM S/T - 59 E965-BU-18 E965-BU-18 A GN S/T - K869-BU-18 K869-BU-18 K855-PK-18 7 SEPARATE VALVE PRV MASK ENABLE 54 607-PK 200-BK CHASSIS UU 132-1827 A-4
SP/TMG SNSR(LOW) Z B
BOTTOM CAM S/T + 58 E966-YL-18 E966-YL-18 B YL S/T + K869-BU-18 K866-WH-18 1 1WAY/2WAY CONT SOL 29 607-PK LAMP
169-3300 ATCH STEM 2 ATCH 1WAY/2WAY CABLE AS.
L78

68 K876-BR-18 2 RLF CHK V1 30 235-BK-18 2 153-2523

FLY. TMG CAL L66
G856-WH-18 P CONT SOL(B) CONT SOL
L82

CONN 32

2
1
TIMING CAL PROBE + 22 G856-WH-18 1 GN TCD + K877-BU-18 3 RLF CHK V2 36 K866-WH-18 1
SENSOR 111-9916 Z 165-9560 AA 210-7236 D-10
TIMING CAL PROBE - 23 G857-YL-18 G857-YL-18 2 YL TCD - K864-PK-18 12 ATCH1 RLF PRV 37
6V-2197 Z T BB 170-6929 E-11

235-BK-18
235-BK-18
70 K861-GN-18 1 K865-PU-18 22 ATCH2 RLF PRV 38 ATCH RELIEF
P IAP CONTROL Z CC 186-4588 G-9

325-PK-18
IAP CONTROL VALVE 61 G854-PK-18 G854-PK-18 1 GN IAPCV K868-BR-18 2 K870-GN-18 41 SOL GND4 39 308-YL K876-BR-18 1
L65

VALVE CHECK SOL1 L19

IAPCV COMMON 62 G855-PU-18 G855-PU-18 2 YL COMMON ATCH STEM 2 1 K857-WH-18 E474-OR-18 26 ATCH STEM2 MODULATION 40 235-BK-18 235-BK-18 235-BK-18 2 200-BK-10 200-BK-10 DD 197-4353 H-9
122-5053 L65 165-9560
P CONT SOL(A) 2 K868-BR-18 E473-GY-18 36 ATCH STEM1 MODULATION 45 235-BK-18 200-BK-18 EE 197-4302 H-9
Z 111-9916 L71 FF 197-4304 H-9
E476-PU-18 37 ATCH STEM4 MODULATION 46 235-BK-18
Z K860-BU-18 1 E475-PK-18 46 ATCH STEM3 MODULATION CDL(+) 33 893-GN-18 GG 204-1789 D-10 NOTE D
ATCH NEGATIVE SIGNAL BR-18 C E470-BR-18 E470-BR-18 K868-BR-18 2 ATCH STEM 1 Z E472-GN-18 54 12V SPLY CDL(-) 43 892-BR-18 C HH 170-6929 E-12 NOTE D
CONT PRESS. CONT SOL(A) L69 L69 308-YL HYD OIL JJ 186-4634 G-9 NOTE D
+B YL-18 A 308-YL 308-YL 1 K856-PU-18 K849-YL-18 13 ATCH STEM1 49 K849-YL-18 1 496-WH-18 L976-GN-18
SENSOR 1 L78 ATCH STEM 1 111-9916 L72 LEVEL SW DIODE
GROUND BK-18 B 235-BK-18 E471-BU-18 2 K868-BR-18 K852-GN-18 14 ATCH STEM4 50 K852-GN-18 2 235-BK-18 L976-GN-18 L976-GN-18
157-3128 235-BK-18 CONT SOL(B) K851-BU-18 23 ATCH STEM3 47 K851-BU-18 170-9376 365-YL-18 121-1022
111-9916 THIS SCHEMATIC IS FOR THE 322C/325C-HYD EXCAVATOR.
L71

235-BK-18
235-BK-18
235-BK-18
K853-GY-18 K850-BR-18 33 ATCH STEM2 48 K850-BR-18 235-BK-18 365-YL-18 365-YL-18
L20
L65

Z 308-YL K854-OR-18 K868-BR-18 K868-BR-18 A768-BU-18

ATCH NEGATIVE L72 L72 T T COMPONENTS ARE SHOWN INSTALL ED ON A FULLY

323-WH-10
200-BK-10
+B YL-18 A 308-YL 308-YL K867-YL-18 K868-BR-18 K868-BR-18 A769-GY-18
CONT PRESS. L71 OPERABLE MACHINE WITH THE KE Y AND ENGINE OFF.
L81

SIGNAL BR-18 C E471-BU-18 K867-YL-18 K868-BR-18 K904-GN-18

SENSOR 2 L73 L73 L19

2
1

1
2
GROUND BK-18 B 235-BK-18 235-BK-18 147-PU WIRES THAT HAVE SYSTEM VOLTAGE

L976-GN-18
L66 L66 CONN 17

L976-GN-18
L976-GN-18
L976-GN-18
157-3128 FUEL LEVEL C WHEN THE KEY SWITCH IS OFF. UNLESS OTHERWISE SPECIFIED A LL WIRE IS 16 GAGE.

168-RD-18

365-YL-18

200-BK-18
365-YL-18

329-YL-18

329-YL-18

168-RD-18

168-RD-18

168-RD-18
168-RD-18
168-RD-10
T967-YL-18 U V

L976-GN-18
SENSOR WIRES THAT HAVE SYSTEM VOLTAGE

325-PK-18
365-YL-18

168-RD-18
A 1 K853-GY-18
235-BK-18
L75
B
A
M738-OR-18
M737-WH-18
M738-OR-18
M737-WH-18 163-6700
YL
BK
1
2
495-GN-18
235-BK-18
WHEN THE KEY SWITCH IS ON. A
Z L65 L65 L65 STARTING CIRCUIT. T
L20

2 K867-YL-18 C M739-YL-18 M739-YL-18 GAGE CIRCUIT.

Z POWER SHIFT L82 MM C
1 K854-OR-18 235-BK-18 487-OR-18
ATCH PUMP 1 ATCH PUMP 2 2 K867-YL-18 K867-YL-18 CONT SOL 1 A768-BU-18 L82 200-BK-18 491-PK-18 ENGINE PUMP CONTROL CIRCUIT. WIRE PAIRS OF 892-BR & 893-GN MUST BE TWISTED
FLOW CONT SOL FLOW CONT SOL 111-9916 2 A769-GY-18 LL PANEL LAMP CIRCUIT. T AT LEAST 1 TURN PER 25mm.
171-0114 171-0114 K867-YL-18 K867-YL-18 C A768-BU-18 LL 2 235-BK-18 235-BK-18 235-BK-18 C TURN SIGNAL/WIPER/WASHER CIRCUIT.
L81 L81 ATCH T
147-PU A769-GY-18 2 200-BK-18 1 K849-YL-18 235-BK-18 2 235-BK-18 GROUND CIRCUIT.
L20 L81 TRAVEL ALARM NOTE A: USE WITH SHORT BOOM.
K904-GN-18 1 954-GN 954-GN 235-BK-18 1 321-BR-18 T ENGINE CONTROL CIRCUIT.
ATCH SIGNAL BR-18 C K904-GN-18 +B YL-18 A 147-PU 147-PU 147-PU HYD OIL 3E-7738 323-WH-10 + - NOTE B: USE WITH CAB GUARD.
FLOW LIMIT +B YL-18 A 147-PU SIGNAL BR-18 C T967-YL-18 T967-YL-18 ATCH HAMMER 491-PK-18 TEMP SENDER U U V V VALVE CONTROL CIRCUIT. NOTE C: NOT USE ON THIS VEHICLE.
SOL SOL ATCH HAMMER C C 4I-5394 CONN 31 WIPER CIRCUIT. NOTE D: USE WITH COLD WEATHER.
M738-OR-18 GROUND BK-18 B 235-BK-18 GROUND BK-18 B 235-BK-18 235-BK-18 235-BK-18
ATCH 171-0188 121-6303 PRESS. SW T ATCH UU UU C ATCH ATCH ATCH HEATER CIRCUIT. ATCH ATCH NOTE E: USE WITH CONFIG 3.
M738-OR-18 C C
PRIMARY L75 PUMP DISCHARGE 167-3466 REFUELING SW REFUELING REFUELING REFUELING REFUELING REFUELING ATCH NOTE F: USE WITH 12V 7A X 2 CONVERTE R.
L75

1 M738-OR-18 1 M737-WH-18 M737-WH-18 235-BK-18 235-BK-18 325-PK-18 1

NFC SOL 2 M739-YL-18 2 M739-YL-18 M739-YL-18 PRESS SENSOR1 PUMP DISCHARGE C 5C-6108 2 STOP SW(NC) START SW(NO) START RELAY STOP RELAY POWER RELAY REFUELING PUMP NOTE G: NOT USE WITH HEATER UNIT.
171-0114 MM MM 157-3182 PRESS SENSOR2 235-BK-18 1 GROUND HYD OIL 9X-4184 6T-9442 149-5050 ALL DASHED LINES ARE ATTACHMENTS. 149-5050 165-4026 123-3929
157-3182 L20 L20 FILTER SW
M739-YL-18 487-OR-18 2 SIGNAL
L75 L75 L75 L75 173-3518 (183-1009 V01)

12 11 10 9 8 7 6 5 4 3 2 1
 Wire Description Component Location
Wire Wire
Description
Wire Wire
Description Component
Schematic Machine
Component
Schematic Machine
RENR7206
Electrical Schematic Symbols And Definitions
Number Color Number Color Location Location Location Location
Power Circuits Lighting Circuits Alarm Fault F-2 G Sensor Intake Air Temperature B-11 2 November2002
101 RD Battery + 607 PK Chassis Lamp Alarm Travel A-4 3 Sensor Negative Cont Pressure 1 A-12 E
T
Module Identifiers (MID) 103 RD Monitor 615 YL Cab Lamp Alternator E-10 4 Sensor Negative Cont Pressure 2 A-12 E
MID No. Module Battery E-12 5 Sensor OLWD Pressure B-3 E Pressure Temperature Level Flow Circuit Breaker
105 RD Key Switch 616 BU Boom Lamp
Symbol Symbol Symbol
1E Monitor Panel 109 RD Alternator B+ 638 WH ATCH Beacon Relay Battery E-11 5 Sensor Squeeze Pressure B-5 E Symbol Symbol
24 Engine Controller Breaker Alternator H-9 1 Sensor Turbo Outlet Pressure B-10 2
110 RD Timer Relay B+ 645 RD Switch Panel to Boom Lamp Relay
69 Engine/Pump Controller
Clutch A/C D-10 25 Sensor WTR Separator Level H-7 16 Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
112 PU Main Power Relay Output 646 RD Switch Panel to Cab Lamp Relay
6A Attachment Controller
113 OR Switch Panel/Radio A623 BU Switch Panel to Chassis Lamp Relay Control Engine / Pump E-8 1 Solenoid 1Way/2Way Cont B-5 17 The circle indicates that the component has screw terminals and a wire can be disconnected from it.
114 RD Forward Horn Control Circuits Control Wiper F-2 G Solenoid Boom Down Line Out Off C-9 20
Component Identifiers (CID¹) For Normally closed switch that will open with an increase of a specific condition.
115 RD Cab Lamp 763 BU Travel Speed Solenoid+G45 Converter 12V 7A F-3 13 Solenoid Fine Swing C-3 18
No circle indicates that the wire cannot be disconnected from the component.
Engine/Pump Control (MID² No. 69) 118 GY Wiper/Washer 779 WH Low Pressure ATCH Quick Coupler Solenoid Diode I-11 1 Solenoid Flow Limit A-12 19
CID Component
119 PK Aux Ckt 780 PU Quick Coupler SW to Solenoid Diode I-8 1 Solenoid Hammer A-9 H
91 Throttle Position Signal This indicates that the component has a wire connected to it that is connected to ground.
120 YL 12V 10A Converter 1 788 YL Engine Speed - Engine Control F-12 4 Solenoid High Pressure Quick Cpl (A2) B-2 24
96 Fuel Level Sensor
123 WH Aux Circuit A701 GY Injector #1 Engine Speed Pickup D-10 14 Solenoid High Pressure Quick Cpl (A1) C-2 17
110 Engine Coolant Temperature Sensor
Heater Unit D-5 1 Solenoid Hyd Lock C-8 20
167 Alternator 124 GN A/C A702 PU Injector #2 This indicates that the component does not have a wire connected to ground. It is
168 Voltage Of The Power Supply (keyswitch) 129 BU Cigar Lighter A703 BR Injector #3 Horn C-1 6 Solenoid Low Pressure Quick Cpl (A3) B-2 D grounded by being fastened to the machine.
190 Speed Sensor Ind Unit H-1 B Solenoid Power Shift Cont A-10 E
130 RD Coolant Temp Sensor A704 GN Injector #4
286 Signal For Engine Oil Pressure Decrease Injector 1 thru 6 C-10 2 Solenoid Primary NFC A-12 E
135 BU Switched Conveter Output A705 BU Injector #5
291 Fan Motor Proportional Reducing Valve
139 OR 12V Mem Out A706 GY Injector #6
Joystick I-3 C Solenoid Pump 2 Flow Cont A-12 E Reed Switch - A switch whose contacts are controlled by a magnet. A magnet closes the
374 Swing Brake Solenoid Valve
Joystick H-1 B Solenoid Pump Flow Cont A-12 E contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
376 Travel Alarm 143 BR Boom Float A755 PK Throttle Switch #1
Lamp Boom C-1 7 Solenoid Relief 1 B-5 E
Proportional Reducing Valve For The Power Shift 147 PU Atch Sol A756 BU Throttle Switch #2
581 Lamp Cab G-1 8 Solenoid Relief Boom 1 B-5 E
Pressure 149 RD Boom Lamp A757 GY Throttle Switch #3 Sender- A component that is used with a temperature or pressure gauge. The sender
586 Engine Speed Dial Lamp Chassis B-1 9 Solenoid Relief Boom 2 B-5 E measures the temperature or pressure. Its resistance changes to give an indication to
150 OR Quick Coupler A758 BR Throttle Switch #4
587 Feedback Sensor For The Governor Actuator Lamp Dome G-1 10 Solenoid Relief Check 1 A-5 17 T the gauge of the temperature or pressure.
590
598
Engine Control
Travel Speed Solenoid
151
152
GN
BU
Neutral Start Limit Switch
Lower Wiper/Washer
A762
A768
PU
BU
Engine Speed +
Backup EPR SW Valve to Power Switch Sol
Lighter
Meter Service
F-2
F-2
A
A
Solenoid Relief Check 2
Solenoid Stem 1 Cont (A)
B-5
A-9
24
E
322C Excavator
154 RD Neutral Start Limit Switch A769 GY Backup EPR SW Valve to Power Switch Sol Relay (Magnetic Switch) - A relay is an electrical component that is activated by electricity.
600
1161
Hydraulic Oil Temperature Sensor
Pump Delivery Pressure Sensor (Drive) 160
168
PU
RD
Chassis Lamp
Aux Circuit
A770
F773
PK
OR
Electronic Pump Control Bypass Switch to Resistor
Governor Acceleration
Monitor
Motor Fuel Pump
F-1
H-7
11
25
Solenoid Stem 1 Cont (B)
Solenoid Stem 2 Cont (A)
A-9
A-9
E
E
Electrical Schematic It has a coil that makes an electromagnet when current flows through it. The
electromagnet can open or close the switch part of the relay.
1162 Pump Delivery Pressure Sensor 2 (Idle)
Motor Lower Wiper I-1 H Solenoid Stem 2 Cont (B) A-9 E
1178 Boom Hold Pressure Sensor
¹ The CID is a diagnostic code that indicates which component is faulty.
169 PK Backup/Monitor Control F774 WH Governor Deceleration
Motor Starter D-10 12 Solenoid Stem 3 Cont (A) B-9 E EMR1-UP
175 RD A/C Blower H705 BR Fuel Pump Relay
² The MID is a diagnostic code that indicates which electronic control module Motor Washer G-7 15 Solenoid Stem 3 Cont (B) B-9 E MAR1-UP Solenoid - A solenoid is an electrical component that is activated by electricity. It has a
179 BU 12V 10A Converter 2 H792 BR ATCH Boom Start Boom Up/Down Relay 1
diagnosed the fault. Product LInk G-12 23 Solenoid Stem 4 Cont (A) B-9 E coil that makes an electromagnet when current flows through it. The electromagnet
180 GN Aux Circuit M734 BR Travel Mode Switch
Pump Refueling A-3 27 Solenoid Stem 4 Cont (B) B-9 E can open or close a valve or move a piece of metal that can do work.
184 RD E/P Control M736 BU Governor Command
Component Identifiers (CID¹) For Relay Boom Float Disable I-12 23 Solenoid Swing Brake C-9 20
188 WH Fuel Pump M737 WH Flow Limit Press Valve Solenoid
Engine Control (MID² No. 24) Relay Beacon G-8 1 Solenoid Travel Speed C-9 20
CID Component 189 RD Engine Governer Actuator M738 OR Prim NFC Press PRV
Relay Boom I-8 23 Solenoid Travel Straight C-9 20
Harness And Wire Symbols
1 Injector Solenoid 1st Cylinder 191 WH Atch Fine Swing Cont SW M739 YL Solenoid Return 2
Relay Cab Lamp I-8 23 Switch A/C Panel D-1 G Component
2 Injector Solenoid 2nd Cylinder 196 BU INSP Lamp M740 PK Travel Straight Solenoid Wire, Cable, or Harness Part Number
3 Injector Solenoid 3rd Cylinder Relay Chassis Lamp I-8 23 Switch ACL F-9 E
199 OR Beacon Lamp M741 GY Travel Alarm Cancel
Pin Socket Wire Color Assembly Identification
4 Injector Solenoid 4th Cylinder Ground Circuits M742 PU AEC Model Switch
Relay Fuel Pump G-8 1 Switch Backup EPR Valve G-2 B Fuse
5 Injector Solenoid 5th Cylinder Relay Heater E-11 23 Switch Backup Governor H-2 B A AA
200 BK Main Chassis M743 GN Travel Mode Switch 105-9344
6 Injector Solenoid 6th Cylinder Relay Horn I-8 23 Switch Boom Down C-8 20
201 BK Opr. Mon. Return M744 PK ATCH Boom Float Display Relay 325-PK-14 1
42 Injector Actuation Control Valve Relay Hydraulic Lock H-8 23 Switch Boom Float Exchange D-2 G
91 Backup Throttle Position Switch 210 BK Converter Ground M745 BU ATCH Smart Boom Up/Down Relay 2
Relay Main H-11 23 Switch Coolant Level H-7 21
94 Fuel Pressure Sensor 211 BK Converter Ground M746 YL ATCH Smart Boom Up/Down Relay 1+G34
Relay Neutral Start H-8 23 Switch Disconnect G-9 23 Single Wire Circuit Number Wire Gauge Receptacle
100 Engine Oil Pressure Sensor 229 BK Battery - M747 PU ATCH Boom Float Exchange Connector
Relay QC Safety Lever "ON" Coil I-11 23 Switch Engine Oil Level D-10 12 Identification
110 Engine Coolant Sensor 235 BK E/P Control Ground M748 OR ATCH Boom Down Pressure Sw
Relay QC Safety Lever Lock 1 Switch I-11 23 Switch Fine Swing Control D-2 D Plug
164 Injector Pressure Sensor Ground
Basic Machine Circuits M749 WH ATCH Boom Check Solenoid 2 2 200-BK-14
168 System Voltage
304 WH Start Relay Output R746 PK Turbo Outlet Pressure
Relay QC Safety Lever Lock 2 Switch I-11 23 Switch Hammer A-9 E Connection
172 Inlet Air Temperature Sensor Relay QC Safety Lever Priority I-10 23 Switch Hammer Foot H-2 A
175 Engine Oil Temperature Sensor
306 GN Starter Relay Coil to Neut Start Switch R747 GY Atmospheric Pressure Pin or Socket
Relay Refueling Power A-3 27 Switch Horn I-3 C Number
247 J1939 Data Link 307 OR Key Start To Neut Start Switch 892 BR CAT Data Link -
Relay Refueling Stop C-3 27 Switch Hydraulic Filter A-5 E
253 Personality Module 308 YL Main Power Relay Coil 893 GN CAT Data Link +
254 ECM Error
Relay Smart Boom Up/Down 1 I-12 23 Switch Joystick Pressure H-3 H
1 Typical representation of a Deutsch 1 Typical representation of a Sure-Seal
310 PU Start Aid Switch To Start Aid Solenoid A893 OR Fuel Pump
261 Timing Sensor Calibration
Relay Smart Boom Up/Down 2 I-11 23 Switch Key G-1 B
2 connector. The plug contains all 2 connector. The plug and receptacle
320 RD Horn Relay To Horn Switch F889 WH Throttle
262 Analog Sensor Power Supply Voltage Relay Start H-11 23 Switch Neutral Start Limit I-3 H sockets and the receptacle contains contain both pins and sockets.
321 BR Backup Alarm Lamp Travel Alarm G826 BR Oil Pressure Sensor +5V
263 Digital Supply Sensor Relay Timer I-9 23 Switch OLWD Alarm Cancel D-3 G all pins.
322 GY Forward Horn G827 BU Oil Pressure Sensor Return
268 Check Programmable Parameters Seat with Seat Heater H-2 27 Switch One Touch Low Idle H-1 B
323 WH ATCH Refueling Power Relay G828 WH Eng Pressure Sensor +5V
273 Turbocharger Compressor Outlet Press. Sens. Sender Hydraulic Temperature A-4 A Switch Panel F-1 G © 2002 Caterpillar Printed in U.S.A.
274 Atmospheric Pressure Sensor 325 PK ATCH Refueling Stop Sw G829 GN Eng Pressure Sensor Return
Sensor A/C Photo F-1 G Switch Quick Coupler G-1 B All Rights Reserved
320 Speed Timing Sensor 326 RD Engine Shutdown Solenoid To Key Switch G833 PK Eng Temp Sensor Rtn
Sensor Atmospheric Pressure B-11 2 Switch Refueling A-4 26
342 Secondary Speed Timing Sensor 329 YL ATCH Refueling Stop Relay G849 BR Inj Actuation Pressure
Sensor Coolant Temperature B-11 2 Switch Refueling (NC) A-3 26
617 Air Heater Relay 365 YL ATCH Refueling Start Relay G850 BU Inlet Air Htr Relay
Sensor Discharge Pressure 1 A-10 E Switch Refueling (NO) A-3 26
1627 Fuel Pump Relay
Monitoring Circuits G853 OR Intake Air Temp
Sensor Discharge Pressure 2 A-10 E Switch Refueling Start A-3 26
403 GN Alternator+C96 Term G854 PK IAP Control Valve
Sensor Dual Cam SP/TMG (HIGH) B-11 2 Switch Rotary D-3 G
405 GY Opr. Mon. Oil Pressure (Low Setting) G855 PU IAPCV Common
Component Identifiers (CID¹) For Sensor Dual Cam SP/TMG (LOW) B-11 2 Switch Seat Heater D-2 G
410 WH Opr. Mon. Fault Alarm G856 WH Timing Cal Probe +
Valve Control (MID² No. 6A) Sensor Engine Oil Pressure C-11 2 Switch Str Pressure I-2 C
CID Component 412 BU Opr. Mon. Coolant Level G857 YL Timing Cal Probe -
Sensor Engine Oil Temperature B-11 2 Switch Throttle Position H-1 B
145 12 V Power Supply 430 BU Opr. Mon. Air Filter K843 GN Stem 3 Extend Switch Sensor FLY TMG Cal B-11 2 Switch Travel Left H_1 H
1522 Variable Releif #2 Check Solenoid Valve 487 OR Hyd. Oil Flow Switch K844 GY Stem 4 Extend Switch Sensor Fuel Level A-4 26 Switch Travel Right H-1 H
1523 Variable Releif #1 Check Solenoid Valve 491 PK Hyd. Oil Temp Sensor K847 PU Stem 3 Retract Switch Sensor Fuel Pressure C-11 2 Switch UP/Down B-8 20
1593 ATT Valve #1 Extension
495 GN Fuel Level Signal K848 WH Stem 4 Retract Switch Sensor Inj Actuation Pressure B-11 2 Switch Window Limit G-1 G
1594 ATT Valve #2 Extension Connector Location
496 WH Opr. Mon. Panel Hyd. Oil Level K849 YL Hammer Pressure Switch A = Inside of Cab Area E = Inside of pump Compartment
1595 ATT Valve #3 Extension Schematic Machine
C468 BU Engine Oil Level K850 BR ATT Stem 2 Connector Number
1596 ATT Valve #1 Retraction B = Inside of Right Console Area F = Inside of Engine Compartment Location Location
1597 ATT Valve #1 Retraction E469 YL Tool Pressure Sensor K851 BU Medium Line Pressure SW C = Inside of Left Console Area G = Around Dash Area CONN 1 C-11 2
1598 ATT Valve #1 Retraction E470 BR Negative Cont. Pressure Sensor 1 K852 GN Aux Hyd Pressure SW CONN 2 G-12 23
D = Swing Motor Area H = Under Operators Platform
1609 Squeeze Load Pressure Sensor CONN 3 G-12 23
E471 BU Negative Cont. Pressure Sensor 2 K853 GY Atch Pump 1 Control Valve
CONN 4 G-12 23
1615 1 Way / 2Way Changeover Solenoid Valve E472 GN 12V Supply From Valve Control K854 OR Atch Pump 2 Control Valve
CONN 5 I-11 23
1657 Left Joystick Thumb Wheel
E473 GY Stem 1 Modulation K855 PK Seperator Valve
Off Machine Switch Specification
CONN 6 H-11 23
1658 Right Joystick Thumb Wheel Part No. Function Actuate Deactuate Contact Position
E474 OR Stem 2 Modulation K856 PU Stem 1 Control Valve A CONN 7 G-11 23
Proportional Reducing Valve For Variable CONN 8 G-10 23
1665 E475 PK Stem 3 Modulation K857 WH Stem 2 Control Valve A 23 154-0498 ACL Switch 635 ± 58 mm H2O - Normally Open
Relief Valve #2 CONN 9 G-10 23
15 16 C
Proportional Reducing Valve For Variable E476 PU Stem 4 Modulation K858 YL Stem 3 Control Valve A ATCH Boom Down Pressure Switch
8 CONN 10 I-9 23

RENR5383-00
1666 A 10 H
Relief Valve #1 E480 WH Overload Alm Cancel Sw K859 BR Stem 4 Control Valve A 5
CONN 11 G-9 23
ATCH Hammer Pressure Switch
1 B Joystick Pressure Swicth 490 ± 49 kPa 290 kPa MIN
F441 GN Oil Temp K860 BU Stem 1 Control Valve B 11 CONN 12 I-8 23 167-3466 Normally Open
21 13 ATCH Str Pressure Switch (71.07 ± 7.11 psi) (42.06 psi)
G
H446 PK O.L.W.D. Pressure Sensor K861 GN Stem 2 Control Valve B 7 CONN 13 H-6 H
Travel Left Pressure Switch
Failure Mode Identifiers (FMI)¹ H465 GN Travel Alarm Cancel Indicator K862 GY Stem 3 Control Valve B 25
24 CONN 14 H-6 H
Travel Right Pressure Switch
28
FMI No. Failure Description CONN 15 H-6 H
H466 BU AEC Mode Indicator K863 OR Stem 4 Control Valve B D
0 Data valid but above normal operational range. CONN 16 E-6 H 13780 kPa Max 10335 ± 689 kPa
2
6
168-7557 ATCH Up/Down Pressure Switch 1998.62 psi Max 1498.97 ± 99.93 psi Normally Closed
1 Data valid but below normal operational range. H467 WH Travel Mode Indicator 1 K864 PK ATT Relief Valve Solenoid 1 18 CONN 17 A-6 E
4 22 12 20 CONN 18 E-5 H
2 Data erratic, intermittent, or incorrect. H473 BR Travel Straight Pressure Switch K865 PU ATT Relief Valve Solenoid 2 F
26
17
14 CONN 19 I-4 H
3 Voltage above normal or shorted high. H474 GN Travel Right Pressure Switch K866 WH ATT 1-Way/2-Way Control Valve Solenoid 30 29
E CONN 20 G-4 G
4 Voltage below normal or shorted low. H475 BU Travel Left Pressure Switch K867 YL ATT Solenoid Return 1 CONN 21 F-4 G
5 Current below normal or open circuit. 27 9
H476 WH Joystick Pressure Switch K868 BR ATT Solenoid Return 2 3 CONN 22 F-4 G
6 Current above normal or grounded circuit.
Accessory Circuits K869 BU ATT Solenoid Return 3 19 CONN 23 E-4 G
7 Mechanical system not responding properly. CONN 24 E-4 G
501 GN Wiper - Front (Low) K870 GN ATT Solenoid Return 4
8 Abnormal frequency, pulse width, or period. CONN 25 E-4 G Resistor, Sender and Solenoid Specifications
9 Abnormal update. 506 PU Washer - Front K876 BR ATT Relief Check Valve Solenoid 1 CONN 26 D-4 G Part No. Component Description Resistance (Ohms)¹
10 Abnormal rate of change. 508 PU Radio Speaker - Left K877 BU ATT Relief Check Valve Solenoid 2 CONN 27 D-4 G Travel Speed Solenoid
11 Failure mode not identifiable. 509 WH Radio Speaker - Left (Common) 954 GN ATCH Hammer Solenoid CONN 28 D-4 G Swing Brake Solenoid
12 Bad device or component.
121-1491 32.0 ± 3.2
CONN 29 B-4 26 Travel Straight Solenoid
511 BR Radio Speaker - Right 995 BU Coolant Temp
13 Out of calibration. CONN 30 B-4 26 Hydraulic Lock Solenoid
512 GN Radio Speaker - Right (Common) 998 BR Throttle Return
14 Parameter failures. CONN 31 A-4 30 111-9916 ATCH Valve Separate Valve Solenoid 11.7 ± 2.2
15 Parameter failures. 530 OR Washer C987 RD Atch Valve Cont +B CONN 32 B-3 29
CONN 33 B-3 29
4I-5394 Hydraulic Oil Temperature Sendor 6134 to 7496
16 Parameter not available. 578 BU Washer - Aux. C990 YL Eng Oil Pressure
17 Module not responding. 586 BR Not Used C991 PK Fuel Pressure CONN 34 C-3 D 112-0090 ATCH Relief Solenoid 19.5 ± 2.0
18 Sensor supply fault. 590 GY Wiper Switch To Intermittent Module E963 BK Top Cam S/T - CONN 35 G-3 H 107-7056 ATCH Fine Swing Solenoid 34 ± .5
19 Condition not met. CONN 36 G-3 H
A537 PK Not Used E964 WH Top Cam S/T + 8 7Y-8242 Backup Resistor 47 ± 4.7
20 Parameter failures. 10
A579 OR Wiper Motor + E965 BU Bottom Cam S/T - 7
CONN 37 G-3 H ¹ At room temperature unless otherwise noted.
A
¹The FMI is a diagnostic code that indicates what type of failure has occurred. CONN 38 H-3 H
A580 GN Wiper Motor - E966 YL Bottom Cam S/T+G67
A584 BU Front Window Limit Switch to Wiper Cont. G976 BU Water Seporator Sensor C CONN 39 H-3 H
17 28
30 13 CONN 40 I-3 C
Related Electrical Service Manuals A586 OR Wiper Switch. To Wiper Cont K904 GN Pump Discharge Pressure Sensor 1 - Signal 23
F
G B
16 1 24
A588 GN Hyd Lock Sol. Relay to Hyd Lock Sol. K906 GN Swing Brake Sol - Signal 14 2 11 CONN 41 I-3 C
Title Form Number 4 12 26 18
25 E CONN 42 C-2 28
Alternator: 9W-3043 SENR3685 C537 GN A/C Photo Sensor + Sig K907 BU Swing Brake Cancel Sol D
6
22 29
C538 OR A/C Photo Sensor - Sig L968 OR E/P Control PS Valve - CONN 43 C-2 28
Electric Starting Motor: 104-7040 21 5 20
19 15 3 27 9 H
C569 YL Second DC/DC Converter Power Output L969 WH E/P Control PS Valve + CONN 44 F-1 G
Consist: 106-8557 SENR3859
E554 PK A/C Controller to A/C Compressor Clutch L972 BU Low Idle Switch The connectors shown in this chart are for
Consist: 6V-5720 SENR3851
harness to harness connectors. Connectors that
Cold Weather Application 6V-5821 SENR3851 E562 PU Buzzer As L973 GN Fine Swing Control Relay to Sol Valve
join a harness to a component are generally
E564 PK Relay L976 GN ATCH Refueling Start Sw (NO) located at or near the component. See the
E565 BU Rotary Sw L983 WH Injector Common 1&2 Component Location Chart.

L984 OR Injector Common 3&4

L985 YL Injector Common 5&6
M906 BU Squeeze Pressure Sensor
T967 YL Pump Discharge Pressure Sensor 2 - Signal Machine Harness Connector And Component Locations