This manual provides essential technical information for 379 family trucks, specifically covering models 357, 375, 377, 378, and 379 produced between 1970 and 1997. Renowned for their robust construction and reliability in demanding applications, these trucks represent a significant chapter in heavy-duty vehicle engineering. This document focuses on the intricate electrical system, detailing the wiring schematics and power distribution through the Dill Block fuse panel, a critical component for maintaining optimal performance and functionality.
The scope of this factory wiring diagram supplement is to offer comprehensive electrical system coverage, including complete vehicle wiring, chassis, cab, and auxiliary circuits routed via the Dill Block. It details electrical architecture, wiring schematics, power distribution, fuse and relay locations, and specific circuits for lighting, instrumentation, engine, chassis, and cab accessories. This manual serves as an indispensable resource for professional technicians, fleet maintenance personnel, and owners, facilitating accurate diagnostics, efficient troubleshooting, and precise repairs of the vehicle's electrical systems.
1970 - 1997 Peterbilt 379 Family (357, 375, 377, 378, 379) with Dill Block Wiring DiagramThis is a 4 page factory wiring diagram for the Peterbilt 379 Family (357, 375, 377, 378, 379) from 1970 to 1997 with the Dill Block (DillBlox) fuse panel. Each page is 16 x 24 inches. Please check your Peterbilt to make sure you have a Dill Box fuse panel before purchasing this wiring diagram.
For more information on DillBlox please see the following description:
DillBlox Power Distribution Modules are designed to provide flexible, easy to configure electrical distribution panels using standard off the shelf components. DillBlox Modules have a unique interlocking edge and can be joined together using the dovetail wedge. The result is the creation of a strong, rigid panel assembly. Standard Modules are available to accept most plug-in devices that are widely used in over-the-road, off-road, construction, and agricultural vehicles.Fargo Assembly of PA provides technical assistance for selection and application of Dillblox power distribution systems, design of Dillblox for new or different applications, design of custom connectors and harness components, and design and drafting of wire harnesses to be used with Dillblox panels.
1970 - 1997 Peterbilt 379 Family (357, 375, 377, 378, 379) with Dill Block Wiring DiagramThis is a 4 page factory wiring diagram for the Peterbilt 379 Family (357, 375, 377, 378, 379) from 1970 to 1997 with the Dill Block (DillBlox) fuse panel. Each page is 16 x 24 inches. Please check your Peterbilt to make sure you have a Dill Box fuse panel before purchasing this wiring diagram.
For more information on DillBlox please see the following description:
DillBlox Power Distribution Modules are designed to provide flexible, easy to configure electrical distribution panels using standard off the shelf components. DillBlox Modules have a unique interlocking edge and can be joined together using the dovetail wedge. The result is the creation of a strong, rigid panel assembly. Standard Modules are available to accept most plug-in devices that are widely used in over-the-road, off-road, construction, and agricultural vehicles.Fargo Assembly of PA provides technical assistance for selection and application of Dillblox power distribution systems, design of Dillblox for new or different applications, design of custom connectors and harness components, and design and drafting of wire harnesses to be used with Dillblox panels.
