Model Condition Price Qty  
MD14870 Very Good $19.00
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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.
1976 Truck Wiring Diagrams Medium and Heavy Duty Models MD-14870
1
Included
This item is original.
11.00 x 8.50 x 0.10 inches
MD14870
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Covers the SE 60062 series bus chassis with a V8 gasoline engine. To verify that this is the correct diagram for your truck, you can check your VIN code. The 2nd digit should be an S for the school bus chassis. The 6th digit should be a 6 to indicate the 1976 model year.
1976 Chevrolet 40-60 Medium Duty
1976 GMC Series 4500-6500
1976 Chevrolet 40-60 Medium Duty 1976 GMC Series 4500-6500