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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". The diagram pictured is an example of this type when folded, but is not the actual diagram for your vehicle. Buy now for the best electrical repair info - the factory wiring diagram.


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Exact Title: Wiring Diagrams Medium/Heavy Truck 1984 GM C6, C7/w Diesel Engine
Page Count: 2
Wiring Diagrams?: Included
Authenticity: This item is original.
Dimensions: 11.00 x 8.50 x 0.10
OEM Part Number: MD22164

Model-Years Application

Covers medium duty Chevrolet and GMC conventional truck models C6, C60, C6000, C7, C70, and C7000, with diesel engine.
1984 Chevrolet C60 C6D042
1984 GMC C6000 C6D042
1984 GMC C7000 C7D042
1984 Chevrolet C70 C7D042


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