Electrical Connectors and Functions
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| Connector | Component |
|---|---|
| J1/P1 | Electronic Control Module (Key C) (40 pin) |
| J2/P2 | Electronic Control Module (Key D) (40 pin) |
| J3A/P3A | Machine Interface Connector (25 pin) |
| J3B/P3B | Machine Interface Connector (25 pin) |
| J3E/P3E | Machine Interface Connector (25 pin) |
| J4/P4 - J19/P19 | Electronic Fuel Injector (2 pin) |
| J20/P20 | Engine Speed/Timing Sensor (3 pin) |
| J21/P21 | Coolant Temperature Sensor (3 pin) |
| J22/P22 | Filtered Engine Oil Pressure Sensor (3 pin) |
| J23/P23 | Turbocharger Compressor Outlet Pressure Sensor (3 pin) |
| J25/P25 | Right Turbocharger Compressor Inlet Pressure Sensor (3 pin) |
| J26 | Timing Calibration Connector (2 pin) |
| J27/P27 | Atmospheric Pressure Sensor (3 pin) |
| J28/P28 | Left Turbocharger Compressor Inlet Pressure Sensor (3 pin) |
| J29/P29 | Crankcase Pressure Sensor (3 pin) |
| J30/P30 | Left Exhaust Temperature Sensor (3 pin) |
| J31/P31 | Right Exhaust Temperature Sensor (3 pin) |
| J32/P32 | Aftercooler Temperature Sensor (3 pin) |
| J42 | Service Tool Connector (9 pin) |
| J47/P47 | Coolant Flow Switch (2 pin) |
| J48/P48 | Unfiltered Engine Oil Pressure Sensor (3 pin) |
| J60/P60 | Engine Service Tool (9 pin) |
| J86/P86 | Engine Fan Control Solenoid (2 pin) |
| J106/P106 | Fuel Filter Differential Pressure Switch (2 pin) |
| J112/P112 | Low Oil Level Switch (2 pin) |
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| Illustration 1 | g00607248 |
Electronic Control Module | |
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| Illustration 2 | g00607253 |
ECM Connector | |
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| Illustration 3 | g00607231 |
ECM Connector | |
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| Illustration 4 | g00819940 |
Machine interface connectors | |
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| Illustration 5 | g00607251 |
Electrical Connectors | |
Caterpillar Information System:
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System MID 027 - CID 0562 - FMI 09
69D and 769D Off-Highway Trucks and 771D Quarry Truck Steering System Worksheets
TK1051 Track Feller Buncher Machine Systems Front Idler and Track Adjuster - Install
14H and 16H Motor Graders Hydraulic and Steering System Centershift Cylinder
TK1051 Track Feller Buncher Machine Systems Front Idler and Track Adjuster - Remove
2001/07/30 Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
140H and 160H Motor Graders Ether Starting Aid Cylinder - Replace
14H and 16H Motor Graders Hydraulic and Steering System Blade Tip Cylinder
TK1051 Track Feller Buncher Machine Systems Main Control Valve - Install
140H and 160H Motor Graders Engine Oil Sample - Obtain
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System MID 027 - CID 0444 - FMI 06
69D and 769D Off-Highway Trucks and 771D Quarry Truck Steering System Relief Valve (Secondary Steering Main) - Test and Adjust
120H and 135H Motor Graders Fuel Tank Cap and Strainer - Clean
TK1051 Track Feller Buncher Machine Systems Sprocket - Remove and Install
797 Off-Highway Truck Engine Supplement Fan - Install
120H and 135H Motor Graders Hydraulic System Oil - Change
120H and 135H Motor Graders Hydraulic System Oil Filter - Replace
14H and 16H Motor Graders Hydraulic and Steering System Sideshift Cylinder
769D Off-Highway Truck and 771D Quarry Truck Steering System Front Axle - Install and Adjust
550, 570 and 580 Wheel Harvesters Battery Disconnect Switch
TK1051 Track Feller Buncher Machine Systems Control Valve (Felling Head) - Remove
D350E Series II, D400E Series II and D400E Series II Ejector Articulated Trucks Braking System Service Brake Wear Indicator - Check
3500B Engines for 5130B and 5230B Excavators Engine Misfires, Runs Rough or Is Unstable
330C Forest Machine Hydraulic System Oil Makeup (Travel System)