System Schematic
See the entire electrical system schematics for your machines for more information. The entire schematic illustrates every component and the wire connections. Refer to the latest revision of Electrical Schematic, UENR4170, "740 Ejector, and 745 Articulated Truck (T4F) Electrical System" for all "Tier-4" machines. For all "LRC" machines, refer to Electrical Schematic, UENR4171, "740 Ejector, and 745 Articulated Truck (LRC) Electrical System". All the wiring harnesses that are important for troubleshooting and repairs are illustrated on the machine system schematics. The part number of the components is listed in addition to the number for the harnesses.
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| Illustration 1 | g06313158 |
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Transmission ECM, J-1 connections, and related components | |
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| Illustration 2 | g06313165 |
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Transmission ECM, J2 connections, and related components | |
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| Illustration 3 | g06313172 |
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Chassis ECM, J1 connections, and related components | |
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| Illustration 4 | g06313176 |
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Chassis ECM, J2 connections, and related components | |
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| Illustration 5 | g06313236 |
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Data Link Schematics | |
Caterpillar Information System:
14M Series 3 Motor Grader Lifting and Tying Down the Machine
785G Off-Highway Truck/Tractor Electrical and Hydraulic Systems Brakes Drag
R1700 Load Haul Dump Power Train, Steering, Braking, Hydraulic, and Machine Systems Electronic Control (Steering System)
Procedure to Rework the Brake Accumulators on R1600H Load Haul Dump Machines {4263} Procedure to Rework the Brake Accumulators on R1600H Load Haul Dump Machines {4263}
C175-16 and C175-20 Locomotive Engines Fuel and Auxiliary Water Pump Drive - Remove and Install
A New Cylinder Liner Insert Is Now Used On Certain 3500 Engines {1201, 1217} A New Cylinder Liner Insert Is Now Used On Certain 3500 Engines {1201, 1217}
Noise From the Power Train May Be Noticed in Certain 700 C-Series Articulated Trucks {3264, 4801} Noise From the Power Train May Be Noticed in Certain 700 C-Series Articulated Trucks {3264, 4801}
C175-16 and C175-20 Locomotive Engines Auxiliary Water Pump - Assemble
C175-16 and C175-20 Locomotive Engines Auxiliary Water Pump - Disassemble
CP34 and CS34 Vibratory Soil Compactors Machine Systems Differential - Assemble - Without Brakes
New Procedure For Replacing the Camlock Connectors On the Diesel Exhaust Fluid Control Unit (DCU) For Certain Machine Engines {108H, 1408, 3168} New Procedure For Replacing the Camlock Connectors On the Diesel Exhaust Fluid Control Unit (DCU) For Certain Machine Engines {108H, 1408, 3168}
CP34 and CS34 Vibratory Soil Compactors Machine Systems Differential - Disassemble - Without Brakes
C175-16 and C175-20 Locomotive Engines Fuel Control Valve - Remove and Install
14M3 Motor Grader Engine Supplement Manifold (Diesel Exhaust Fluid) - Remove and Install
M0073882: 502-0889 C175 Common Rail Assembly and Flushing Group {0706} M0073882: 502-0889 C175 Common Rail Assembly and Flushing Group {0706}
A New Radiator Core Assembly is Now Available for Certain 773E Off-Highway Trucks {1353} A New Radiator Core Assembly is Now Available for Certain 773E Off-Highway Trucks {1353}
PM820, PM822, and PM825 Cold Planer Machine Systems Conveyor Pulley (Head, First Stage) - Remove and Install
New Gas Spring and Gusset Plate Are Now Available for Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {7308} New Gas Spring and Gusset Plate Are Now Available for Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {7308}
New Hose Assemblies Are Now Used on Certain 424B and 424B HD Backhoe Loaders {5057} New Hose Assemblies Are Now Used on Certain 424B and 424B HD Backhoe Loaders {5057}
A New Flag Pin Washer is Available on Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {7263, 7273} A New Flag Pin Washer is Available on Certain Compact Track Loaders, Multi-Terrain Loaders, and Skid Steer Loaders {7263, 7273}
C175-16 and C175-20 Locomotive Engines Fuel Lines - Install - High Pressure
Wear Guidelines for Compact Track Loaders {4180} Wear Guidelines for Compact Track Loaders {4180}
A New Alternator Pulley Is Used on Certain C175 Off-Highway Truck Engines {1425} A New Alternator Pulley Is Used on Certain C175 Off-Highway Truck Engines {1425}
A New Oil Cooler Core Assembly Is Now Used For Certain C175 Machine Engines {1378} A New Oil Cooler Core Assembly Is Now Used For Certain C175 Machine Engines {1378}