Model	Condition	Price	Qty
MD8164	Very Good	$29.00	- +

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.

Author: general motors

Exact Title: "Cab, Engine and Chassis Wiring - MC-9003RB; 9502RB MD-8164"

Page Count: 1

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This book covers 1974 and 1975 GMC and Chevrolet 90, 95, 9000, and 9500 Tandem Conventional models with a Cummins diesel engine. To verify that this is the correct diagram for your truck, you can check your VIN code. The 2nd digit should be an M for the 96" or 114" tandem conventional cab. The 3rd digit should be a C for the Cummins 6 engine. The 6th digit should be a 4 to indicate the 1974 model year or a 5 for 1975.

1974-1975 Chevrolet 70-90 Series Heavy Duty

1974-1975 GMC Series 7500-9500

1974 1975 Chevrolet 70-90 Series Heavy Duty 1974 1975 GMC Series 7500-9500