1985 peterbilt 359 wiring diagram. Find the Peterbilt 359 wiring diagram for your truck. PD803397. Dec 25, 2018 ยท In this blog article, we'll dive into the wiring diagram of the 1985 Peterbilt 359. This PDF manual includes detailed electrical wiring diagrams and schematics for trucks Peterbilt 359. The wiring diagram for the 1985 Peterbilt 359 provides a detailed schematic representation of the electrical system in the truck. FRM Model 359 Wiring (5 of 6) SK14779 05 PD803397. . It includes various components and circuits that play crucial roles in ensuring the proper functioning of different electrical systems in the vehicle. Get detailed information on the electrical system and wiring connections for your Peterbilt 359. FRM Model 359 Wiring (6 of 6) SK14779 06 This 6-page document provides wiring diagrams for Model 359.