Wiring Diagrams Repair Guide - AutoZone Fig. Fig. 11 Body wiring diagram (part 2 of 2)-1962-68 Chevy II and 1969-71 Nova Fig. Fig. 12 Body wiring diagram (part 2 of 2)-1972-79 Nova, 1973-79 Nova 1975 Chevy Nova Wiring Diagram Manual Reprint "1975 Chevy II Nova Wiring Diagram" This is a reprint of the wiring diagram printed by GM for dealer mechanics. You can follow all of the wiring in your vehicle from bumper-to-bumper. It will help you to understand connector configurations, and locate & identify circuits, relays, and grounds. All Generation Wiring Schematics | Chevy Nova Forum Body wiring diagram (part 1 of 2) — all 1962–79 models Body wiring diagram (part 2 of 2) — 1962–68 Chevy II and 1969–71 Nova Body wiring diagram (part 2 of 2) — 1972–79 Nova, 1973–79 Nova Custom/Hatchback, 1975 Nova LN and 1976–77 Concours Engine control wiring diagram — except 1972–74 Nova and 1973–74 Nova Custom/Hatchback Chevy Truck Wiring Diagram, 1975 | 75-WDT DESCRIPTION. Full Wiring Schematic; Wire Sizes; Fuse Placement and Values This is another one of those "must have" books for your Chevy or GMC truck library. 1975 Chevrolet and GMC truck wiring can be a really spooky thing to the beginning restorer.