8W-7455 WIRING GP-CAB S/N 4MK1-403 PART OF 8W-6224 CHASSIS AR 120H NA MOTOR GRADER

ELECTRICAL AND STARTING SYSTEM

WIRING GP

0. 8W-7455 WIRING GP-
1. 8W-7455 WIRING GP-
2. 8X-7707 WIRING GP-
3. 8X-7707 WIRING GP-
4. 8X-7707 WIRING GP-
5. 8X-7707 WIRING GP-
6. 149-4351 WIRING GP-
7. 8X-7712 WIRING GP-
8. 8X-7712 WIRING GP-
9. 8X-7712 WIRING GP-
0. INFORMATION

MOTOR GRADER 120H NA MOTOR GRADER 4MK
120H Motor Grader 4MK00001-UP (MACHINE) POWERED BY 3116 Engine SEBP2310 120H NA 4MK (1994)

ELECTRICAL AND STARTING SYSTEM

WIRING GP

2A-6469 WIRING GP-BLADE CUSHION

151-6925 WIRING GP-CAB

8W-7455 WIRING GP-CAB

8X-7707 WIRING GP-CONSOLE

#SEBP23100300

8W-7455: WIRING GP-CAB

WIRING GP-CAB

8W-7455 WIRING GP-CAB
S/N 4MK1-403
PART OF 8W-6224 CHASSIS AR

i00122602 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7X-7877 BE		STRIP-EDGE
2.	4E-4454	[1]	PLUG
3.	3E-0109	[3]	PLUG (ROCKER SWITCH)
4.	3V-4694	[4]	PLUG-BUTTON
5.	102-3981	[1]	PANEL
6.	9X-2042 M	[6]	SCREW-TRUSS HEAD (M6X1X12-MM)
7.	8Y-8606	[1]	GROMMET
8.	4K-5122	[3]	HOLDER AS-FUSE
			(EACH INCLUDES)
	7N-2867	[1]	CAP-FUSE HOLDER
9.	3K-8782	[1]	FUSE (10-AMPERE)
10.	104-7837	[1]	PLATE
11.	101-8161	[1]	HARNESS AS-CAB (REAR)
	102-8802	[2]	KIT-RECEPTACLE (2-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	3S-2093	[1]	STRAP-CABLE
12.	101-8181	[1]	HARNESS AS-PANEL
13.	9G-2264	[2]	CLIP-CONNECTOR
14.	101-8162	[1]	HARNESS AS-CAB (FRONT)
	102-8806	[2]	KIT-RECEPTACLE (8-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2265	[2]	KIT-CONNECTING PLUG (8-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	3S-2093	[13]	STRAP-CABLE
15.	8C-9678 Y	[1]	LAMP GP-DOME (24-VOLT)
16.	9X-1046 M	[3]	SCREW (M4X0.7X18-MM)
17.	9G-2265	[1]	CLIP
18.	101-8164	[1]	HARNESS AS-CAB (FRONT)
	3S-2093	[8]	STRAP-CABLE
19.	3S-2093	[8]	STRAP-CABLE
20.	3T-6655	[2]	SWITCH AS-ROTARY (WIPER, WASHER)
			(EACH INCLUDES)
	2H-3920	[1]	LOCKWASHER
	6V-8369	[1]	NUT (7/16-28-THD)
	7T-9302	[1]	KNOB AS-WIPER SWITCH (WASHER)
	014-0816	[1]	SETSCREW (8-32X0.5-IN)
21.	3K-8782	[1]	FUSE (10-AMPERE)
22.	3K-8782	[1]	FUSE (10-AMPERE)
23.	5C-8312 M	[3]	NUT (M4X0.7-THD)
24.	096-6166	[3]	WASHER-HARD (4.5X9X1-MM THK)
25.	128-3208	[1]	PLATE AS
	B		USE AS REQUIRED
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP23100301

8W-7455: WIRING GP-CAB

WIRING GP-CAB

8W-7455 WIRING GP-CAB
S/N 4MK404-UP
PART OF 8W-6224 CHASSIS AR

i00793220 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7X-7877 E		STRIP-EDGE (10CM)
2.	4E-4454	[1]	PLUG
3.	3E-0109	[3]	PLUG (ROCKER SWITCH)
4.	3V-4694	[4]	PLUG-BUTTON
5.	102-3981	[1]	PANEL
6.	9X-2042 M	[6]	SCREW-TRUSS HEAD (M6X1X12-MM)
7.	160-6382	[1]	GROMMET
8.	4K-5122	[3]	HOLDER AS-FUSE
			(EACH INCLUDES)
	139-0178	[1]	CAP
9.	3K-8782	[1]	FUSE (10-AMPERE)(DOME LAMP)
10.	104-7837	[1]	PLATE
11.	101-8161	[1]	HARNESS AS-CAB (REAR)
	102-8802	[2]	KIT-RECEPTACLE (2-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[3]	KIT-CONNECTING PLUG (2-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	3S-2093	[1]	STRAP-CABLE
12.	101-8181	[1]	HARNESS AS-PANEL
13.	9G-2264	[3]	CLIP-CONNECTOR
14.	139-3506	[1]	HARNESS AS-CAB (FRONT)
15.	8C-9678 Y	[1]	LAMP GP-DOME (24-VOLT)
16.	9X-1046 M	[3]	SCREW (M4X0.7X18-MM)
17.	9G-2265	[1]	CLIP
18.	115-9433	[1]	HARNESS AS-PANEL
	3S-2093	[8]	STRAP-CABLE
19.	3S-2093	[15]	STRAP-CABLE
20.	3T-6655	[1]	SWITCH AS-ROTARY (WIPER, WASHER)(FRONT UPPER)
	7T-9302	[1]	KNOB AS-WIPER SWITCH (WASHER)
	2H-3920	[1]	LOCKWASHER
	6V-8369	[1]	NUT (7/16-28-THD)
21.	3K-8782	[1]	FUSE (10-AMPERE)(UPPER WIPER)
22.	3K-8782	[1]	FUSE (10-AMPERE)(LOWER WIPER)
23.	5C-8312 M	[3]	NUT (M4X0.7-THD)
24.	096-6166	[3]	WASHER-HARD (4.5X9X1-MM THK)
25.	128-3208	[1]	PLATE AS
	6V-9632 M	[1]	NUT-WELD (M6X1-THD)
26.	6V-8801	[1]	NUT (3/8-16-THD)
27.	8T-4896	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
28.	3T-6655	[1]	SWITCH AS-ROTARY (WIPER, WASHER)(FRONT LOWER)
	7T-9302	[1]	KNOB AS-WIPER SWITCH (WASHER)
	2H-3920	[1]	LOCKWASHER
	6V-8369	[1]	NUT (7/16-28-THD)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP23100302

8X-7707: WIRING GP-CONSOLE

WIRING GP-CONSOLE

8X-7707 WIRING GP-CONSOLE
S/N 4MK1-104
PART OF 8W-6224 CHASSIS AR

i00122777 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9G-7641 Y	[1]	SWITCH GP-START (ENGINE, KEY)(ENGINE ON/OFF)
2.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)
3.	4D-7794	[1]	CLIP
4.	5M-3062	[3]	BOLT (3/8-16X0.75-IN)
5.	8T-4896	[3]	WASHER-HARD (10.2X18.5X2.5-MM THK)
6.	106-1319	[1]	HARNESS AS
7.	9M-8406	[2]	CLIP (LOOP)
8.	2V-8259	[2]	GROMMET
9.	123-6633	[1]	HARNESS AS
10.	107-7090	[1]	PLATE
11.	3H-2900	[1]	GROMMET
12.	3S-2093	[2]	STRAP-CABLE
13.	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
14.	2S-9255	[4]	BOLT-SOCKET HEAD (4-40X0.375-IN)
	5S-4246	[4]	LOCKWASHER
	6B-4540	[4]	NUT (4-40-THD)
15.	9G-9150	[1]	CLIP
16.	7G-7053	[1]	GROMMET
17.	9X-9634	[1]	SWITCH AS-ROCKER (CENTERSHIFT PIN PULLER)
	3E-8817	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)
18.	3E-0109	[4]	PLUG (ROCKER SWITCH)
19.	2D-0388	[1]	GROMMET (25.4-MM ID)
20.	5C-9553 M	[2]	BOLT (M6X1X16-MM)
	9X-8256	[2]	WASHER (6.6X12X2-MM THK)
21.	9G-9813 Y	[1]	ALARM GP (24-VOLT)
22.	9G-9154	[2]	CLIP
23.	106-4458	[1]	CONTROL GP-ELECTRONIC (TRANSMISSION)
24.	9G-2265	[1]	CLIP
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP23100303

8X-7707: WIRING GP-CONSOLE

WIRING GP-CONSOLE

8X-7707 WIRING GP-CONSOLE
S/N 4MK105-223
PART OF 8W-6224 CHASSIS AR

i00122778 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9G-7641 Y	[1]	SWITCH GP-START (ENGINE, KEY)(ENGINE ON/OFF)
2.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)
3.	4D-7794	[2]	CLIP
4.	5M-3062	[2]	BOLT (3/8-16X0.75-IN)
5.	8T-4896	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
6.	137-1721	[1]	HARNESS AS-CONSOLE
7.	9M-8406	[2]	CLIP (LOOP)
8.	2V-8259	[2]	GROMMET
9.	123-6633	[1]	HARNESS AS
10.	107-7090	[1]	PLATE
11.	3H-2900	[1]	GROMMET
12.	3S-2093	[5]	STRAP-CABLE
13.	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
14.	2S-9255	[4]	BOLT-SOCKET HEAD (4-40X0.375-IN)
	5S-4246	[4]	LOCKWASHER
	6B-4540	[4]	NUT (4-40-THD)
15.	9G-9150	[1]	CLIP
16.	7G-7053	[1]	GROMMET
17.	9X-9634	[1]	SWITCH AS-ROCKER (CENTERSHIFT PIN PULLER)
	3E-8817	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)
18.	3E-0109	[4]	PLUG (ROCKER SWITCH)
19.	7M-3361	[1]	GROMMET
20.	5C-9553 M	[2]	BOLT (M6X1X16-MM)
	9X-8256	[2]	WASHER (6.6X12X2-MM THK)
21.	9G-9813 Y	[1]	ALARM GP (24-VOLT)
22.	9G-2265	[2]	CLIP
23.	134-6553 Y	[1]	CONTROL GP-POWER TRAIN (TRANSMISSION ECM)
24.	8T-4138 M	[2]	BOLT (M6X1X20-MM)
	5P-4115	[2]	WASHER-HARD (7.2X19X2-MM THK)
25.	117-9364	[1]	CONTROL GP-RELAY (NEUTRAL START)
26.	8T-9471	[1]	GROMMET
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP23100304

8X-7707: WIRING GP-CONSOLE

WIRING GP-CONSOLE

8X-7707 WIRING GP-CONSOLE
S/N 4MK224-403
PART OF 8W-6224 CHASSIS AR

i00540792 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9G-7641 Y	[1]	SWITCH GP-START (ENGINE, KEY)(ENGINE ON/OFF)
2.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)
3.	4D-7794	[2]	CLIP
4.	5M-3062	[2]	BOLT (3/8-16X0.75-IN)
5.	8T-4896	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
6.	137-1721	[1]	HARNESS AS-CONSOLE
7.	9M-8406	[2]	CLIP (LOOP)
8.	2V-8259	[2]	GROMMET
9.	123-6633	[1]	HARNESS AS
10.	107-7090	[1]	PLATE
11.	3H-2900	[1]	GROMMET
12.	3S-2093	[5]	STRAP-CABLE
13.	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
14.	2S-9255	[4]	BOLT-SOCKET HEAD (4-40X0.375-IN)
	5S-4246	[4]	LOCKWASHER
	6B-4540	[4]	NUT (4-40-THD)
15.	9G-9150	[1]	CLIP
16.	7G-7053	[1]	GROMMET
17.	9X-9634	[1]	SWITCH AS-ROCKER (CENTERSHIFT PIN PULLER)
	3E-8817	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)
18.	3E-0109	[4]	PLUG (ROCKER SWITCH)
19.	7M-3361	[1]	GROMMET
20.	5C-9553 M	[2]	BOLT (M6X1X16-MM)
	9X-8256	[2]	WASHER (6.6X12X2-MM THK)
21.	9G-9813 Y	[1]	ALARM GP (24-VOLT)
22.	9G-2265	[2]	CLIP
23.	143-9634 YC	[1]	CONTROL GP-POWER TRAIN
24.	8T-4138 M	[2]	BOLT (M6X1X20-MM)
	5P-4115	[2]	WASHER-HARD (7.2X19X2-MM THK)
25.	117-9364	[1]	CONTROL GP-RELAY (NEUTRAL START)
26.	8T-9471	[1]	GROMMET
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP23100305

8X-7707: WIRING GP-CONSOLE

WIRING GP-CONSOLE

8X-7707 WIRING GP-CONSOLE
S/N 4MK404-UP
PART OF 8W-6224 CHASSIS AR

i00565565 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9G-7641 Y	[1]	SWITCH GP-START (ENGINE, KEY)(ENGINE ON/OFF)
2.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)
3.	4D-7794	[1]	CLIP
4.	5M-3062	[2]	BOLT (3/8-16X0.75-IN)
5.	8T-4896	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
6.	138-9089	[1]	HARNESS AS-CONSOLE
7.	9M-8406	[1]	CLIP (LOOP)
8.	2V-8259	[2]	GROMMET
9.	139-0073	[1]	HARNESS AS-CONSOLE
10.	139-0071	[1]	WIRE AS
11.	3H-2900	[1]	GROMMET
12.	3S-2093	[4]	STRAP-CABLE
13.	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
14.	6V-2480	[4]	SCREW (4-40X0.5-IN)
	5S-4246	[4]	LOCKWASHER
	6B-4540	[4]	NUT (4-40-THD)
15.	9G-9150	[1]	CLIP
16.	7G-7053	[1]	GROMMET
17.	3E-9327	[1]	SWITCH AS (CENTERSHIFT PIN PULLER)
	3E-8817	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)
18.	3E-0109	[4]	PLUG (ROCKER SWITCH)
19.	4K-5122	[1]	HOLDER AS-FUSE
20.	3K-8782	[2]	FUSE (10-AMPERE)
21.	9G-9813 Y	[1]	ALARM GP (24-VOLT)
22.	9G-2265	[1]	CLIP
23.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
	Y		SEPARATE ILLUSTRATION

#SEBP23100306

149-4351: WIRING GP-DIFFERENTIAL LOCK

WIRING GP-DIFFERENTIAL LOCK

149-4351 WIRING GP-DIFFERENTIAL LOCK
S/N 4MK1-UP
AN ATTACHMENT AND FIELD INSTALLATION

i00677467 SEBP2310

1494351 WIRING GP-DIFFERENTIAL LOCK Parts scheme

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)
2.	149-4353	[1]	HARNESS AS-WIRING (DIFFERENTIAL LOCK)
	3T-3157	[1]	TERMINAL-BLADE (16-GA TO 20-GA)
	3T-3158	[1]	SOCKET-LAMP
	3T-3159	[1]	SPRING
	3T-3278	[1]	BOOT
	6D-4161	[1]	CONTACT
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9737	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
	9G-3695	[1]	PLUG-SEAL
3.	8S-4626	[1]	SPLICE-WIRE
4.	149-4354	[1]	WIRE AS
5.	149-4355	[1]	WIRE AS
6.	9G-2264	[1]	CLIP-CONNECTOR
7.	3T-3048	[1]	CLIP AS
8.	3S-2093	[10]	STRAP-CABLE
9.	139-2119		SWITCH AS-ROCKER
	3E-8825	[2]	LAMP (24-VOLT)
	123-5861	[1]	ACTUATOR
	139-2120	[1]	SWITCH AS (DIFFERENTIAL LOCK)
10.	147-7297	[1]	FILM-IDENTIFICATION (PANEL)

#SEBP23100307

8X-7712: WIRING GP-ENGINE

WIRING GP-ENGINE

8X-7712 WIRING GP-ENGINE
S/N 4MK1-UP
PART OF 8W-6224 CHASSIS AR

i00122783 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3048	[3]	CLIP AS
2.	3S-2093	[2]	STRAP-CABLE
3.	9M-8406	[1]	CLIP (LOOP)
4.	9G-9150	[2]	CLIP
5.	9X-0378	[1]	SWITCH AS-PRESSURE (ENGINE OIL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9738	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
6.	3J-1907	[3]	SEAL-O-RING
7.	114-0931	[3]	FILM-IDENTIFICATION (SERVICE CONNECTOR)(22.22 MM ID)
8.	9G-9152	[1]	CLIP
9.	110-7691	[1]	PLATE (10 MM ID)
10.	9G-4360	[1]	CAP-CONNECTOR
11.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
12.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
13.	104-6084	[1]	HARNESS AS
14.	067-2551	[1]	CLIP (5/16-18X1IN)
15.	6D-4244	[3]	CLIP (LOOP)
16.	4D-7794	[3]	CLIP
17.	6V-0484	[1]	ELBOW
18.	115-7103	[1]	SWITCH AS-PRESSURE (FUEL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[2]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-7781	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
19.	8T-9793	[1]	SWITCH AS-TEMPERATURE (COOLANT)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9737	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
20.	4W-9972	[1]	SENDER AS-TEMPERATURE (12-VOLT)(COOLANT)
21.	3J-1907	[1]	SEAL-O-RING
22.	3K-0360	[1]	SEAL-O-RING
23.	6T-2217	[1]	RESISTOR AS (DIAGNOSTIC CONNECTOR)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	5P-5677 D		WIRE (18-GA, BLACK)
24.	8W-8528	[1]	SLEEVE
25.	033-8248	[1]	CLIP (LOOP)
26.	6D-4246	[1]	CLIP (LOOP)
27.	8T-4199 M	[3]	BOLT (M8X1.25X12-MM)
28.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
29.	3S-2093	[2]	STRAP-CABLE
30.	3T-3048	[1]	CLIP AS
31.	9G-9150	[2]	CLIP
32.	4D-7794	[1]	CLIP
33.	8T-4908 M	[1]	BOLT (M8X1.25X25-MM)
34.	6D-4972	[1]	SPACER (0.344X0.625X0.5-IN THK)
	D		ORDER BY THE METER
	M		METRIC PART

#SEBP23100308

8X-7712: WIRING GP-ENGINE

WIRING GP-ENGINE

8X-7712 WIRING GP-ENGINE
S/N 4MK297-403
PART OF 8W-6224 CHASSIS AR

i00846260 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3048 C	[2]	CLIP AS
2.	3S-2093	[2]	STRAP-CABLE
3.	9M-8406	[1]	CLIP (LOOP)
4.	9G-9150	[2]	CLIP
5.	9X-0378	[1]	SWITCH AS-PRESSURE (ENGINE OIL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9738	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
6.	3J-1907 C	[2]	SEAL-O-RING
7.	114-0931	[3]	FILM-IDENTIFICATION (SERVICE CONNECTOR)(22.22 MM ID)
8.	9G-9152	[1]	CLIP
9.	110-7691	[1]	PLATE (10 MM ID)
10.	9G-4360	[1]	CAP-CONNECTOR
11.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
12.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
13.	142-0781 C	[1]	HARNESS AS-ENGINE
14.	067-2551	[1]	CLIP (5/16-18X1IN)
15.	6D-4244	[3]	CLIP (LOOP)
16.	4D-7794	[3]	CLIP
18.	115-7103	[1]	SWITCH AS-PRESSURE (FUEL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[2]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-7781	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
19.	8T-9793	[1]	SWITCH AS-TEMPERATURE (COOLANT)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9737	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
20.	4W-9972	[1]	SENDER AS-TEMPERATURE (12-VOLT)(COOLANT)
21.	3J-1907	[1]	SEAL-O-RING
22.	3K-0360	[1]	SEAL-O-RING
23.	6T-2217	[1]	RESISTOR AS (DIAGNOSTIC CONNECTOR)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	5P-5677 D		WIRE (18-GA, BLACK)
24.	8W-8528	[1]	SLEEVE
25.	033-8248	[1]	CLIP (LOOP)
26.	6D-4246	[1]	CLIP (LOOP)
27.	8T-4199 M	[3]	BOLT (M8X1.25X12-MM)
28.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
29.	3S-2093	[2]	STRAP-CABLE
30.	3T-3048	[1]	CLIP AS
31.	9G-9150	[2]	CLIP
32.	4D-7794	[1]	CLIP
33.	8T-4908 M	[1]	BOLT (M8X1.25X25-MM)
34.	6D-4972	[1]	SPACER (0.344X0.625X0.5-IN THK)
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	M		METRIC PART

#SEBP23100309

8X-7712: WIRING GP-ENGINE

WIRING GP-ENGINE

8X-7712 WIRING GP-ENGINE
S/N 4MK404-654
PART OF 8W-6224 CHASSIS AR

i00846261 SEBP2310

For full view, you need register

Parts for your 120H NA MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3048 C	[1]	CLIP AS
2.	3S-2093	[2]	STRAP-CABLE
3.	9M-8406	[1]	CLIP (LOOP)
4.	9G-9150	[2]	CLIP
5.	9X-0378	[1]	SWITCH AS-PRESSURE (ENGINE OIL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9738	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
6.	3J-1907	[2]	SEAL-O-RING
7.	8T-4136 M	[1]	BOLT (M10X1.5X25-MM)
8.	9G-9152	[1]	CLIP
9.	4M-6425 C	[1]	BOLT (5/16-18X1-IN)
10.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
11.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
12.	8T-4224 C	[3]	WASHER-HARD (8.8X16X2-MM THK)
13.	139-1211 C	[1]	HARNESS AS-ENGINE
15.	8M-2773 C	[3]	CLIP (LOOP)
16.	4D-7794 C	[4]	CLIP
18.	115-7103	[1]	SWITCH AS-PRESSURE (FUEL)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[2]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-7781	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
19.	8T-9793	[1]	SWITCH AS-TEMPERATURE (COOLANT)
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9737	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
20.	4W-9972	[1]	SENDER AS-TEMPERATURE (12-VOLT)(COOLANT)
21.	3J-1907	[1]	SEAL-O-RING
22.	3K-0360	[1]	SEAL-O-RING
24.	8W-8528	[1]	SLEEVE
26.	4K-8864	[1]	CLIP (LOOP)
27.	8T-4199 M	[2]	BOLT (M8X1.25X12-MM)
28.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
29.	3S-2093 C	[1]	STRAP-CABLE
30.	3T-3048	[1]	CLIP AS
31.	9G-9150	[2]	CLIP
32.	4D-7794 C	[2]	CLIP
33.	8T-4908 M	[1]	BOLT (M8X1.25X25-MM)
34.	6D-4972	[1]	SPACER (0.344X0.625X0.5-IN THK)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART

Information:

ELECTRICAL AND STARTING SYSTEM

WIRING GP

Engine News

Correction to The Pocket Guide, SEBD0402 Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/07/01

270-5051 Repair Kit (Electrical Connectors) Available for Repairs to Wiring Harnesses with Ampseal 16 and A4E 2 Connectors {0709, 1408}
2006/03/20

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/13

Operation and Maintenance Manual

Battery Disconnect Switch
120H and 135H Motor Graders

Light Switches
120H and 135H Motor Graders

Directional Turn Signal and Hazard Flasher Control
120H and 135H Motor Graders

Battery or Battery Cable - Inspect/Replace
120H and 135H Motor Graders

Circuit Breakers - Reset
120H and 135H Motor Graders

Fuses - Replace
120H and 135H Motor Graders

Lighter
120H and 135H Motor Graders

Special Instruction

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Polarity Requirements when Switch Illumination Is Changed from a Lamp to an LED
Polarity Requirements when Switch Illumination Is Changed from a Lamp to an LED

Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}

Ampseal 16 Connector Peripheral Seal Servicing{7553}
Ampseal 16 Connector Peripheral Seal Servicing{7553}

Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}
Service Of Machined Terminals And Service of Stamped and Formed Terminals{7553}

Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}

Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}

Installation of CAESultra for Landfill Compactors, Motor Graders, Wheel Dozers, and Wheel Loaders{1408, 7009, 7010, 7338, 733T, 7490, 7604}
Installation of CAESultra for Landfill Compactors, Motor Graders, Wheel Dozers, and Wheel Loaders{1408, 7009, 7010, 7338, 733T, 7490, 7604}

Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}

Installation Procedure for Product Link PL421 Retrofit{7606}
Installation Procedure for Product Link PL421 Retrofit{7606}

Installation of Seat Belt Reminder Systems {1408, 1901, 1902, 7327, 7602, 7606, 7610, 7620}
Installation of Seat Belt Reminder Systems {1408, 1901, 1902, 7327, 7602, 7606, 7610, 7620}

DRCP Connector Repair Service Instruction {1408, 7553}
DRCP Connector Repair Service Instruction {1408, 7553}

Installation Procedure for the Machine Security System (MSS3s) Universal Attachment Kit {1408, 1435, 7631}
Installation Procedure for the Machine Security System (MSS3s) Universal Attachment Kit {1408, 1435, 7631}

Technical Information Bulletin

Refrigerant Compressors May Fail
Refrigerant Compressors May Fail

The 108-0358 Electronic Flasher Assembly Is Not A Drop-in Replacement For The 8D-6946 Flasher
The 108-0358 Electronic Flasher Assembly Is Not A Drop-in Replacement For The 8D-6946 Flasher

Specifications

Wiring Group<BR> 2A-7181 (14H), 2A-7182 (16H)
120H,135H,12H,14H,16H,140H,143H,160H,163H MG SEC STER SYS

Front Wiring
120H and 135H Motor Graders Air System and Brakes

Pressure Switch (Low Brake Air)
120H and 135H Motor Graders Air System and Brakes

Pressure Switch (Brake Air) (Parking Brake)
120H and 135H Motor Graders Air System and Brakes

Position Sender (Articulation)
120H and 135H Motor Graders Hydraulic and Steering System

Pressure Switch (Secondary Steering)
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Magnetic Switch (Secondary Steering)
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Articulation Position Sender
120H and 135H Motor Graders Hydraulic and Steering System

Pressure Switch (Brake Air) (Stop Lamp)
120H and 135H Motor Graders Air System and Brakes

Speed Sensor (Transmission Output)
120H and 135H Motor Graders Power Train

Temperature Sensor (Transmission Oil)
120H and 135H Motor Graders Power Train

Pressure Switch (Transmission Modulation)
120H and 135H Motor Graders Power Train

Solenoid Valve (Centershift Lock)
120H and 135H Motor Graders Power Train

Pressure Switch (Transmission Modulation)
120H and 135H Motor Graders Power Train

Tool Operating Manual

Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}
Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}

Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Systems Operation

Centershift Lock
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

Secondary Steering Electrical System
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Pressure Switch (Secondary Steering)
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Secondary Steering Electronic Control Module
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Pressure Switch (Refrigerant)
Air Conditioning and Heating R134a for All Caterpillar Machines

Reuse And Salvage Guidelines

Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}
Guideline for Visual Inspection and Repair of Foam Wiring Harness {0649, 1408, 1408, 1408, 1408}

Testing and Adjusting

Pressure Switch (Low Brake Air) - Test
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Air System and Brakes

Electrical System Troubleshooting
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Secondary Steering System

Electric Starting System - Test
3114, 3116, and 3126 Engines

System Schematic
Machine Security System

Electrical Connector - Inspect
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Power Train

Wiring Harness (Open Circuit) - Test
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Power Train

Wiring Harness (Short Circuit) - Test
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Power Train

Electrical Connector - Inspect
Machine Security System

Electrical Connector - Inspect
Product Link - PL522/523

Wiring Harness (Open Circuit) - Test
Product Link - PL522/523

Wiring Harness (Short Circuit) - Test
Product Link - PL522/523

Electrical Connector - Inspect
Product Link 121S/300

Wiring Harness (Open Circuit) - Test
Product Link 121S/300

Wiring Harness (Short Circuit) - Test
Product Link 121S/300

System Schematic
MSS3s Machine Security System

Troubleshooting

Connector Locations
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Power Train

Electrical Component and Connector Locations
Machine Security System

MID 122 - CID 0269 - FMI 03
Product Link 121S/300

MID 122 - CID 0269 - FMI 04
Product Link 121S/300

Cat Data Link - Test
MSS3s Machine Security System

Wiring Harness (Open Circuit) - Test
MSS3s Machine Security System

Wiring Harness (Short Circuit) - Test
MSS3s Machine Security System

Connector Locations
MSS3s Machine Security System

Connector Contact Description
MSS3s Machine Security System

Electrical Connector - Inspect
MSS3s Machine Security System

Disassembly and Assembly

Batteries
SUPPLEMENT FOR 120H & 135H MOTOR GRADERS - 3116 ENGINE

Batteries & Battery Boxes
SUPPLEMENT FOR 120H & 135H MOTOR GRADERS - 3116 ENGINE

Service Magazine

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

Maintenance Free Batteries{1401}
1986/03/10

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

How To Troubleshoot A Short-To-Ground In Power Wiring{1400}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Wiring Harness Conduit Component Sizes {1408}
1995/02/13

Procedure For Setting Articulation Sender {4806}
1996/04/01

Integral Connector Now Used On The Air Conditioning Condenser Fan Motor Relay Assembly{1408,7320}
1996/04/29

Vibration Resistant LED Kit Available For Use With Back-Lit Rocker Switches {1429}
1996/09/16

Parts Manuals May List Air Conditioning Compressors Incorrectly {1802,1809,7320}
1996/10/07

Ground Strap Relocated To Prevent Damage From Debris {7423}
1996/12/02

Improved Relay Switch Assembly Used To Provide Increased Reliability {1423}
1996/12/02

Methods Of Obtaining Engine Flash Files {1902}
1997/01/20

Plate Assembly in Cab Wiring Group Now Serviced {1408}
1997/07/07

Improved Switches Now Used To Prevent Open Contacts{1423}
1997/08/11

Improvements Made To H-Series Motor Graders{7475,1408,1429,3073,7304,7309,7450,7451}
1997/10/06

Improved Switches Now Used To Prevent Open Contacts {1423}
1997/11/24

Instructions And Dimensions For Wiring Connector Guards {7150,1408}
1998/01/26

Battery Cable Clipping Improved {1402,7263}
1998/11/09

Fuel Level Senders Improved To Prevent Open Circuit Conditions {1273,1408,7481}
1999/01/25

Improved Brake Switch Now Used{4262,1408}
1999/03/01

Caterpillar Service Technology Group (CSTG) Software Help Desk Changes {1920}
1999/08/17

New Test Procedure For Testing Air Conditioning Electrical Components {4466,1435}
1999/11/29

A New Indicator Assembly (Voltmeter) {7450}
2000/03/20

Special Instruction, REHS0440 is Available for an Index of Electrical System Schematics {7566}
2000/04/10

Correction to The Pocket Guide, SEBD0402, Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/06/26

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2000/10/09

Improved Service Meter Used {7478}
2004/05/03

Service of the Machined Terminals and the Stamped and Formed Terminals {7553}
2006/11/13

Updated Instruction For The Bypass Harness {0785, 1408}
2008/03/17

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2012/03/05

Striped Wire Is Replaced With Improved Ink Jet Identification for Legacy (Parts Service) Wire harnesses {1408}
2012/06/08

Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553, 7556}
2012/05/08

Information On Battery Cables and Wire Assemblies for Assembling at Dealer Site {4459}
2012/09/21

Parts are Now Available to Make Jump Start Receptacle on Cat<SUP>®</SUP> Product {1463}
2014/03/04

Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}
Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}

Caterpillar Parts SIS Catalog 120H NA :

151-6925 WIRING GP-CAB

2A-6469 WIRING GP-BLADE CUSHION

9G-7641 SWITCH GP-START

3E-0154 SWITCH GP-MAGNETIC

254-3783 SWITCH GP-MAGNETIC

241-8368 SWITCH GP-MAGNETIC

167-0138 SWITCH GP-MAGNETIC

8W-7455 WIRING GP-CAB

8X-7707 WIRING GP-CONSOLE

149-4351 WIRING GP-DIFFERENTIAL LOCK

8X-7712 WIRING GP-ENGINE

Truck sale:

52,000

Caterpillar 120HNA, Construction
- motor graders
WHAYNE SUPPLY COMPANY

54,000

Caterpillar 120HNA, Construction
- motor graders
WHAYNE SUPPLY COMPANY

67,539 USD

Caterpillar 120HNA, Construction
- motor graders
WILLIAM ADAMS PTY. LTD.
Australia

70,293

Caterpillar 120HNA, Construction
- motor graders
avspare

64,900

Caterpillar 120HNA, Construction
- motor graders
FOLEY EQUIPMENT COMPANY