WIRING DIAGRAMS - 73-87ChevyTrucks. Classic Chevy PDF fileWIRING DIAGRAMS DESCRIPTION These diagrams use a new format. The diagram is surrounded by a alpha/numeric loaction grid. All the wires at the connectors have alpha/numeric addresses showing where the other end of the wire is located ac cording to the 1978 Chevrolet C-10 wiring diagram - Fixya 1978 Chevrolet C-10 wiring diagram - 1500 Chevrolet Cars & Trucks. Posted by bjumper99 on Oct 16, 2010. Want Answer 0. Clicking I need a wiring diagram for a 1978 Chevy pickup ignition switch. Mine was hot wired and stolen, and recovered,but all the wires are stripped off the switch. Complete 73-87 Wiring Diagrams Here are the complete wiring harness schematics for the 73-87 series pickups. These are HUGE jpgs so you may want to save them to your hard drive and print the pages you need. 73-76 diagrams 73-76 cab Interior 73-76 chassis rear Lighting (chassis/cab and Stepside 73-76 chassis rear Lighting (Fleetside and Suburban 73-76 engine and Front Lighting Wiring Diagrams Repair Guide - autozone Chevrolet Full-size Cars 1968-1978 Repair Guide. Wiring Diagrams Repair Guide Print Fig. Fig. 1 Sample diagram-how to read and interpret wiring. Fig. Fig. 10 Body wiring diagram-1968-72 starter circuit. Fig. Fig. 11 Body wiring diagram-1968-72 alternator/charging circuit. 78 chevy c10 radio wiring diagram | Wirings Diagram 1978 Chevy Truck Wiring Diagram – 1978 chevy pickup wiring diagram, 1978 chevy truck alternator wiring diagram, 1978 chevy truck ignition switch wiring diagram, Every electric arrangement consists of various unique components. Each part should be placed and linked to other parts in particular way.