3073116 HARNESS ASSEMBLY-MAIN CAB-PART 4 OF 5 PART OF 2374910-Page 516, 2629187-Page 522 966H WHEEL LOADER

Engine News

Pos.	Part No	Qty	Parts name
1.	155-2271	[2]	PLUG KIT (4P)
2.	8N-1532	[1]	RECEPTACLE AS
	8N-1542	[1]	PIN
	8N-1548	[1]	PIN
	8N-1540	[1]	PIN
	8N-1535	[1]	ENDBELL AS
	9X-6772	[1]	STRAP
	7G-7918	[1]	PLUG
	7G-7917	[1]	PLUG
	7G-7919	[1]	PLUG
3.	100-5041	[4]	TERMINAL
4.	9X-1056	[8]	TERMINAL
5.	9W-2033	[23]	TERMINAL
6.	9W-2032	[7]	TERMINAL
7.	9R-9806	[1]	TERMINAL
8.	126-1767	[8]	PIN
9.	126-1768	[60]	SOCKET
10.	3S-2093	[4]	STRAP
11.	126-1774	[2]	ENDBELL
12.	8T-8737	[90]	PLUG
13.	147-1446	[1]	PLUG AS (70P)
	159-9322	[1]	SEAL
14.	155-2270	[1]	PLUG KIT (2P)
15.	2L-8078	[1]	TERMINAL
	125-7874 E		TUBE (3cm)
16.	188-6253	[1]	FUSE BLOCK AS
	151-1398	[3]	LOCK KIT
	199-6592	[1]	BLOCK AS
	188-6254	[1]	COVER
	200-8789	[1]	SEAL
	1H-3244	[2]	LOCKWASHER
	6V-8185	[2]	NUT (1/4-20)
	8T-4205	[2]	WASHER
17.	9X-1054	[3]	PLUG AS
18.	147-1445	[1]	PLUG AS (70P)
	159-9322	[1]	SEAL
19.	2L-8067	[1]	TERMINAL
	D		TUBE (0.032m)
20.	5P-2766	[2]	TERMINAL
	6V-2689 D		TUBE (0.026m) (X2)
21.	9G-4343	[1]	TERMINAL
	6V-9023 D		TUBE (4cm)
22.	197-7565	[1]	RECEPTACLE KIT (4P)
23.	102-8804	[1]	RECEPTACLE KIT (4P)
	D		ORDER BY THE m
	E		ORDER BY THE cm

Pos.	Part No	Qty	Parts name
1.	155-2255	[3]	PLUG KIT (12P)
2.	155-2271	[2]	PLUG KIT (4P)
3.	155-2265	[3]	PLUG KIT (8P)
4.	155-2260	[3]	PLUG KIT (3P)
5.	230-4013	[1]	PLUG AS (3P)
6.	9X-0196	[2]	TERMINAL AS
	5P-4571	[2]	TERMINAL
	6A-3361 K		WIRE (BK) (2dm)
	5P-0658 K		WIRE (WH) (2dm)
7.	3T-3157	[4]	TERMINAL
8.	6D-4161	[4]	CONTACT
9.	126-1767	[2]	PIN
10.	126-1768	[105]	SOCKET
11.	8T-8737	[43]	PLUG
12.	155-2270	[1]	PLUG KIT (2P)
13.	102-8806	[2]	RECEPTACLE KIT (8P)
14.	245-7434	[4]	PLUG KIT (10P)
15.	155-2274	[6]	PLUG KIT (6P)
16.	102-8802	[2]	RECEPTACLE KIT (2P)
17.	3T-3158	[4]	SOCKET
18.	102-8805	[2]	RECEPTACLE KIT (6P)
19.	2L-8071	[2]	TERMINAL
	5P-6006 D		TUBE (0.032m) (X2)
20.	185-1861	[10]	SEAL
21.	3T-3278	[4]	BOOT
22.	3T-3159	[4]	SPRING
	D		ORDER BY THE m
	K		ORDER BY THE dm

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

Pos.	Part No	Qty	Parts name
1.		[1]	BEZEL
2.	Z	[1]	CONTROL AS
	124-0312	[1]	SCREW (No.8-16)

Pos.	Part No	Qty	Parts name
1.	3S-2093	[3]	STRAP
2.	7K-1181	[23]	STRAP
3.	288-1401	[1]	BRACKET
4.	317-5591 Y	[1]	HARNESS AS
5.	130-5300	[1]	CLIP
6.	134-2540	[1]	RECEPTACLE AS
7.	205-7299	[1]	CLIP
	Y		SEPARATE ILLUSTRATION

Pos.	Part No	Qty	Parts name
1.	174-0503	[1]	PLUG KIT (3P)
2.	155-2265	[1]	PLUG KIT (8P)
3.	126-1767	[10]	PIN
4.	126-1768	[27]	SOCKET
5.	126-1774	[2]	ENDBELL
6.	9X-6772	[4]	STRAP
7.	8T-8737	[141]	PLUG
8.	202-5397	[3]	PLUG
9.	155-2274	[1]	PLUG KIT (6P)
10.	102-8801	[1]	RECEPTACLE KIT (12P)
11.	102-8805	[1]	RECEPTACLE KIT (6P)
12.	102-8803	[1]	RECEPTACLE KIT (3P)
13.	147-1445	[1]	PLUG AS (70P)
14.	147-1446	[1]	PLUG AS (70P)
15.	245-7434	[1]	PLUG KIT (10P)
16.	185-1860	[7]	SEAL
17.	1P-0810 E		TAPE (15cm)
	E		ORDER BY THE cm

Pos.	Part No	Qty	Parts name
1.	3E-5136	[1]	RECEPTACLE AS (5P)
2.	155-2260	[1]	PLUG KIT (3P)
3.	102-8801	[1]	RECEPTACLE KIT (12P)
4.	3T-3158	[1]	SOCKET
5.	7X-6222	[1]	PLUG AS (24P)
	9X-3265	[2]	SEAL
	3E-4367	[1]	RING
	3E-8558	[1]	BOLT (M5X0.8)
6.	3T-3157	[1]	TERMINAL
7.	6D-4161	[1]	CONTACT
8.	8T-8729	[10]	PIN
9.	8T-8730	[16]	SOCKET
10.	8T-8737	[13]	PLUG
11.	3T-3278	[1]	BOOT
12.	3T-3159	[1]	SPRING

Pos.	Part No	Qty	Parts name
1.	126-1767	[6]	PIN
2.	126-1768	[9]	SOCKET
3.	8T-8737	[3]	PLUG
4.	155-2274	[2]	PLUG KIT (6P)
5.	102-8805	[1]	RECEPTACLE KIT (6P)
6.	3S-2093	[1]	STRAP

Pos.	Part No	Qty	Parts name
1.	155-2255	[1]	PLUG KIT (12P)
2.	126-1767	[11]	PIN
3.	9X-3402	[25]	SOCKET
4.	126-1774	[1]	ENDBELL
5.	8T-8737	[58]	PLUG
6.	102-8801	[1]	RECEPTACLE KIT (12P)
7.	2L-8077	[1]	TERMINAL
8.	160-7690	[1]	PLUG AS (70P)

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

Operation and Maintenance Manual

Battery or Battery Cable - Inspect/Replace
966H and 972H Wheel Loaders

Battery Disconnect Switch
966H and 972H Wheel Loaders

Fuses - Replace
966H and 972H Wheel Loaders

Circuit Breakers - Reset
966H and 972H Wheel Loaders

Special Instruction

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

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

Test and Repair for Excessive Current Draw{1401, 1408}
Test and Repair for Excessive Current Draw{1401, 1408}

Instructions for the Field Conversion to a Electrohydraulic Joystick with a Forward, Neutral and Reverse Switch{1408, 5702, 5705}
Instructions for the Field Conversion to a Electrohydraulic Joystick with a Forward, Neutral and Reverse Switch{1408, 5702, 5705}

Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}
Selecting the Correct Part Numbers for Sensors and Connectors{1439, 7553}

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

Procedure to Rework Wiring Harness for the Payload Pressure Sensor on Certain 966H and 972H Wheel Loaders{1408, 1925, 7494}
Procedure to Rework Wiring Harness for the Payload Pressure Sensor on Certain 966H and 972H Wheel Loaders{1408, 1925, 7494}

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}

Procedure for Replacing Command Control Steering Harness "CCS" on H Series Machine Systems{1408, 4309, 4310, 4338, 4343}
Procedure for Replacing Command Control Steering Harness "CCS" on H Series Machine Systems{1408, 4309, 4310, 4338, 4343}

Installation Procedure for the 192-7805 Seat Compressor Harness{1408, 7312, 7324}
Installation Procedure for the 192-7805 Seat Compressor Harness{1408, 7312, 7324}

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

Procedure to Install Cat Production Measurement (CPM) Kit On Certain Series H Medium Wheel Loaders {1408, 7000, 7490, 7606}
Procedure to Install Cat Production Measurement (CPM) Kit On Certain Series H Medium Wheel Loaders {1408, 7000, 7490, 7606}

Procedure to Service Boot on the Single Axis Lever (SAL) Handle Control Group of Certain Cat® Products {5063, 5705, 5734}
Procedure to Service Boot on the Single Axis Lever (SAL) Handle Control Group of Certain Cat^® Products {5063, 5705, 5734}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Service Letter-Americas

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Technical Information Bulletin

Error Codes for the Transmission Output Speed Sensors May Be Logged{3030, 3175, 7610, 7620}
Error Codes for the Transmission Output Speed Sensors May Be Logged{3030, 3175, 7610, 7620}

Command Control Steering Harness Causing Open Circuit on Certain H-Series Medium Wheel Loaders {1408, 3171, 4309}
Command Control Steering Harness Causing Open Circuit on Certain H-Series Medium Wheel Loaders {1408, 3171, 4309}

Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129}
Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129}

Specifications

Toggle Switch (Hood Tilt)
966H Wheel Loader and 972H
Wheel Loader Machine Systems

Relay (Secondary Steering Intermediate)
966H Wheel Loader and 972H
Wheel Loader Steering System

Electronic Unit Injector Wiring
C11 and C13 Engines

Temperature Sensor (Torque Converter Oil)
966H Wheel Loader and 972H
Wheel Loader Power Train

Pressure Switch (Primary Steering Oil) (Secondary Steering Oil)
966H Wheel Loader and 972H
Wheel Loader Steering System

Pressure Switch (Service Brake Oil)
966H Wheel Loader and 972H
Wheel Loader Braking and Hydraulic Fan System

Temperature Sensor (Front Axle Oil) (Rear Axle Oil)
966H Wheel Loader and 972H
Wheel Loader Power Train

Temperature Sensor (Hydraulic Oil)
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

Pressure Switch (Parking Brake Oil)
966H Wheel Loader and 972H
Wheel Loader Braking and Hydraulic Fan System

Bypass Switch (Power Train Oil Filter)
966H Wheel Loader and 972H
Wheel Loader Power Train

Electronic Unit Injector Wiring
C11 and C13 Engines

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}

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Systems Operation

Senders
Caterpillar Monitoring System

Switches
Caterpillar Monitoring System

Sensors
Caterpillar Monitoring System

Action Lamp
Caterpillar Monitoring System

Action Alarm
Caterpillar Monitoring System

Switches
966H Wheel Loader and 972H
Wheel Loader Power Train

Start Relay
966H Wheel Loader and 972H
Wheel Loader Power Train

Switches
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

Sensors
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

Sensors
966H Wheel Loader and 972H
Wheel Loader Power Train

Sensors
Payload Control System (PCS) 2.X

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}

Custom Service Information

Instructions for the Field Conversion to a Electrohydraulic Joystick with a Forward, Neutral and Reverse Switch{1408, 5702, 5705}
Instructions for the Field Conversion to a Electrohydraulic Joystick with a Forward, Neutral and Reverse Switch{1408, 5702, 5705}

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING AIR CONDITIONING PRESSURE SWITCHES FROM DEALER STOCK

PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS
PRODUCT IMPROVEMENT PROGRAM FOR REROUTING AND REPLACING THE ALTERNATOR CABLE IF NEEDED ON CERTAIN 966H AND 972H MEDIUM WHEEL LOADERS

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 303-9566 SWITCHES FROM DEALER PARTS STOCK

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FORWARD-NEUTRAL-REVERSE (FNR) SWITCH ON CERTAIN 938H, 950H, 962H, 966H, AND 972H WHEEL LOADERS OR IT38H AND IT62H INTEGRATED TOOL CARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BREAKER PANEL ON CERTAIN 950H, 962H, 966H AND 972H WHEEL LOADERS AND IT62H INTEGRATED TOOLCARRIERS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRESSURE SWITCH FOR THE SECONDARY STEERING ON CERTAIN IT62H INTEGRATED TOOLCARRIERS, 950H, 962H, 966H, AND 972H WHEEL LOADERS

Testing and Adjusting

Speed Sensor - Adjust
966H Wheel Loader and 972H
Wheel Loader Power Train

Electric Starting System - Test
C11 and C13 Engines for Caterpillar Built Machines

Electrical Connector - Inspect
Caterpillar Monitoring System

Wiring Harness (Open Circuit) - Test
Payload Control System (PCS) 2.X

Wiring Harness (Short Circuit) - Test
Medium Wheel Loaders (MWL) Payload Control System (PCS) 3.0

System Schematic
Machine Security System

Electrical Connector - Inspect
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

Wiring Harness (Open Circuit) - Test
Caterpillar Monitoring System

Wiring Harness (Short Circuit) - Test
Caterpillar Monitoring System

System Schematic
966H Wheel Loader and 972H
Wheel Loader Power Train

System Schematic
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

Payload Electronic Control Module - Replace
Payload Control System (PCS) 2.X

Position Sensor (Lift Linkage) - Adjust
Payload Control System (PCS) 2.X

Battery (Internal Backup) - Replace
Payload Control System (PCS) 2.X

Glossary of Electrical Terms
Payload Control System (PCS) 2.X

System Schematic
Payload Control System (PCS) 2.X

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
Machine Security System (MSS3i) Integrated

System Schematic
MSS3s Machine Security System

Troubleshooting

MID 030 - CID 0324 - FMI 03
Caterpillar Monitoring System

MID 030 - CID 0324 - FMI 05
Caterpillar Monitoring System

MID 030 - CID 0324 - FMI 06
Caterpillar Monitoring System

Electrical Component and Connector Locations
Caterpillar Monitoring System

Switch Circuits
Caterpillar Monitoring System

Electrical Component and Connector Locations
Machine Security System

Connector Locations
Medium Wheel Loaders (MWL) Payload Control System (PCS) 3.0

MID 081 - CID 0177 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0177 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0368 - FMI 02
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0368 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0444 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0444 - FMI 05
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0444 - FMI 06
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0627 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0627 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0794 - FMI 07
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0795 - FMI 07
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 1521 - FMI 02
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 1521 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

Connector Locations
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 082 - CID 0365 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

MID 082 - CID 0490 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

MID 082 - CID 0490 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

MID 082 - CID 1187 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

MID 082 - CID 1187 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Electrohydraulic System

MID 081 - CID 0793 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0793 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0794 - FMI 03
966H Wheel Loader and 972H
Wheel Loader Power Train

MID 081 - CID 0794 - FMI 04
966H Wheel Loader and 972H
Wheel Loader Power Train

Electrical Component and Connector Locations
Payload Control System (PCS) 2.X

MID 074 - CID 0364 - FMI 01
Payload Control System (PCS) 2.X

MID 074 - CID 0364 - FMI 02
Payload Control System (PCS) 2.X

MID 074 - CID 0364 - FMI 08
Payload Control System (PCS) 2.X

MID 074 - CID 0769 - FMI 01
Payload Control System (PCS) 2.X

MID 074 - CID 0769 - FMI 02
Payload Control System (PCS) 2.X

MID 074 - CID 0769 - FMI 08
Payload Control System (PCS) 2.X

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

Fuel Transfer Pump - Test
C13 Engines for Caterpillar Built Machines

Service Magazine

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2012/05/04

An Improved Backup Alarm is Now Available {7406}
2009/01/05

Improved Wiring Harnesses Are Now Available {1408}
2009/05/11

Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/12

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

Special Instructions for Replacing Command Control Steering Harnesses on Certain Compactors, Wheel Dozers, and Wheel Loaders Now Available. {1408, 4309, 4310, 4338, 4343}
2012/06/29

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

A New Engine Harness Assembly Is Now Used on Certain Machines Equipped with C11 and C13 Engines {1408}
2013/04/09

An Improved Routing Process is Now Available When Replacing 192-7805 Harness As in TLV1 Seat Suspensions on Certain Machines {1408, 7312, 7324}
2013/12/09

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

A New Implement Control Lever is Now Used on Certain Medium Wheel Loaders {5063}
2015/06/29

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}

New Boot Kit Is Now Used on the Single Axis Lever (SAL) Handle Control Group of Certain Cat® Products {5063, 5705, 5734}
New Boot Kit Is Now Used on the Single Axis Lever (SAL) Handle Control Group of Certain Cat^® Products {5063, 5705, 5734}

3073116 HARNESS ASSEMBLY-MAIN CAB-PART 4 OF 5 PART OF 2374910-Page 516, 2629187-Page 522 966H WHEEL LOADER

ELECTRICAL AND STARTING SYSTEM

307-3116: HARNESS ASSEMBLY-MAIN CAB

Parts for your 966H WHEEL LOADER:

307-3116: HARNESS ASSEMBLY-MAIN CAB

Parts for your 966H WHEEL LOADER:

262-1408: ELECTRONIC CONTROL GROUP

Parts for your 966H WHEEL LOADER:

304-5691: ELECTRONIC CONTROL GROUP

Parts for your 966H WHEEL LOADER:

239-5025: ELECTRONIC CONTROL GROUP-PCS

Parts for your 966H WHEEL LOADER:

315-3591: PAYLOAD WIRING GROUP

Parts for your 966H WHEEL LOADER:

317-5591: HARNESS ASSEMBLY-PAYLOAD CONTROL SYSTEM

Parts for your 966H WHEEL LOADER:

188-1421: HARNESS ASSEMBLY-PAYLOAD CONTROL

Parts for your 966H WHEEL LOADER:

263-2166: HARNESS ASSEMBLY

Parts for your 966H WHEEL LOADER:

276-0031: HARNESS ASSEMBLY

Parts for your 966H WHEEL LOADER:

Information:

Caterpillar Parts SIS Catalog 966H :

Truck sale: