Electrical Schematic (Transmission)
This is a simplified electrical schematic of the electrical components that are connected to the ECM. This schematic is electrically correct, but all harness connections are not shown. For an accurate schematic of the machine, always see the Electrical System Schematic module in the Service Manual of the machine.
Show/hide table
 | |
| Illustration 1 | g00942274 |
Show/hide table
 | |
| Illustration 2 | g00942276 |
Caterpillar Information System:
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Hydraulic System - 924G and 924Gz
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders Operational Checks (Steering System)
525B, 535B and 545 Wheel Skidders Grapple Grapple Snubber - Continuous Rotation Grapple
525B, 535B and 545 Wheel Skidders Grapple Tong Cylinder
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 0144 - FMI 03
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 1286 - FMI 03
2002/09/16 A New Cover for the Console and a New Support Improve Clearance for the Seat Group {5258, 7312}
D6R Series II Track-Type Tractor Hydraulic System Bulldozer Tilt Cylinder
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 1285 - FMI 03
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 1424 - FMI 04
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 1424 - FMI 03
Flexxaire Fan Torque Specifications (Flexxaire Fan)
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 0144 - FMI 05
621G, 623G, 627G, 631G, 637G, and 657G Wheel Tractor-Scrapers Power Train Electronic Control System MID 027 - CID 0144 - FMI 06
3054E and 3056E Industrial Engines and Engines for Caterpillar Built Machines ECM Will Not Communicate with Other Systems or Display Modules
AD30 Underground Articulated Truck Backup Alarm
AD55 Underground Articulated Truck Air Conditioning and Heating Control - If Equipped
AD45B Underground Articulated Truck Seat
AD30 Underground Articulated Truck Mirror
AD30 Underground Articulated Truck Alternate Exit
2002/11/11 New Parking Brake Switches Are Used {1435, 4284}
3516B Engine for Caterpillar Built Machines Electrical Power Supply
D6R Series II Track-Type Tractor Hydraulic System Implement and Steering Control Valve Group
AP-1000D, AP-1055D, AP-655C, BG-2255C, BG-2455D and BG-260D Asphalt Pavers Switch Circuits