776D and 777D Off-Highway Truck/Tractors Electronic Systems Guide Caterpillar

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777D Off Highway Truck

The 777D Off Highway Truck is equipped with the latest state-of-the-art electronic machine controls and monitoring technology. This guide provides a general overview of each electronic system. The guide also provides a troubleshooting guide which explains the use of various troubleshooting tools, techniques and component locations.

For Schematics, refer to the following:

• Schematic, RENR3363, " 776D and 777D Tractor/Off Highway Truck Electrical Schematic"

For Systems Operation and Testing And Adjusting Information, refer to the following Service Manual modules:

• Systems Operation, RENR2668, "Power Train Electronic Control System"

• Systems Operation, SENR1503, "Brake Electronic Control System"

• Troubleshooting, SENR1128, "3500B Engines for Caterpillar Built Machines"

• Systems Operation, SENR4733, "Truck Payload Measurement System"

• Systems Operation, SENR6717, "Caterpillar Monitoring System"