This is the original wiring diagram printed by GM for dealer mechanics. You can follow the wiring in your truck from bumper-to-bumper. It will help you to understand connector configurations, and locate & identify circuits, relays, and grounds. Although the schematic is in black and white, the color of each wire is noted. You will not find this diagram in your shop manual. The schematic measures 8.5" x 11" when folded up and opens up to 11" by 38". Buy now for the best electrical repair info - the factory wiring diagram.
General Motors
Wiring Diagrams Light Duty 1986 GMC M Van Safari Astro
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Covers light duty GMC & Chevy M Van models including Safari and Astro.
1986 Chevrolet Astro CL Standard Passenger Van 3-Door
1986 Chevrolet Astro CS Standard Passenger Van 3-Door
1986 Chevrolet Astro Standard Cargo Van 3-Door
1986 Chevrolet Astro Standard Passenger Van 3-Door
1986 GMC Safari SL Standard Passenger Van 3-Door
1986 GMC Safari SLE Standard Passenger Van 3-Door
1986 GMC Safari SLX Standard Passenger Van 3-Door
1986 GMC Safari Standard Cargo Van 3-Door
1986 Chevrolet Astro 1986 GMC Safari