2000 Peterbilt 379 Wiring Diagrams

The 2000 Peterbilt 379 is a heavy-duty truck that was produced by Peterbilt Motors Company from 1998 to 2007. It was available in a variety of configurations, including a day cab, a sleeper cab, and a flatbed. The 379 was powered by a variety of engines, including a Cummins ISX, a Caterpillar C15, and a Detroit Diesel Series 60. This article will provide a detailed wiring diagram for the 2000 Peterbilt 379. The diagram will include all of the major components of the truck's electrical system, including the engine, transmission, lights, and accessories.

Wiring Diagram Overview

The 2000 Peterbilt 379's electrical system is a complex network of wires and connectors. The diagram below provides a general overview of the system. [Image of wiring diagram] The diagram shows the major components of the electrical system, including the battery, alternator, starter, fuse box, and relays. It also shows the connections between these components.

Wiring Diagram Details

The following sections provide detailed information on the wiring diagrams for the 2000 Peterbilt 379. *

Battery:

The battery is the source of power for the electrical system. The battery is connected to the alternator, which charges the battery when the engine is running. *

Alternator:

The alternator generates electricity to power the electrical system when the engine is running. The alternator is connected to the battery and the fuse box. *

Starter:

The starter is used to start the engine. The starter is connected to the battery and the ignition switch. *

Fuse Box:

The fuse box contains fuses for the various components of the electrical system. The fuse box is located under the dash. *

Relays:

Relays are used to switch electrical circuits on and off. Relays are located in the fuse box.

Wiring Diagram Symbols

The following table lists the symbols used in the wiring diagrams for the 2000 Peterbilt 379. | Symbol | Description | |---|---| | Battery | A battery is a source of electrical power. | | Alternator | An alternator generates electricity to power the electrical system. | | Starter | A starter is used to start the engine. | | Fuse Box | A fuse box contains fuses for the various components of the electrical system. | | Relay | A relay is used to switch electrical circuits on and off. |

Wiring Diagram Interpretation

The wiring diagrams for the 2000 Peterbilt 379 can be used to troubleshoot electrical problems. To troubleshoot a problem, you will need to identify the component that is not working and then trace the wires back to the fuse box. If the fuse is blown, you will need to replace it. If the fuse is not blown, you will need to check the wiring between the fuse and the component.

Wiring Diagram Resources

The following resources can be used to find wiring diagrams for the 2000 Peterbilt 379: * [Peterbilt Motors Company website](https://www.peterbilt.com/) * [Peterbilt Motors Company service manual](https://www.peterbilt.com/service-and-support/manuals-and-specifications/) * [Online forums](https://www.peterbiltforum.com/) * [Welding Forums](https://www.weldingforum.com/)

Conclusion

The wiring diagrams for the 2000 Peterbilt 379 are a valuable resource for troubleshooting electrical problems. By understanding the symbols and the layout of the diagrams, you can quickly identify the problem and get your truck back on the road.

Er Dont Work In Sleeper 1998 379