Condition Price Qty  
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.
"Cab, Engine and Chassis Wiring - DH/DI/FH/FI-9502 - MD-7591"
1
Included
This item is original.
11.00 x 8.50 x 0.10 inches
MD7591
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Covers the 1972 GMC Astro 95 with 8V-71 or 6-71 Detroit diesel. To verify that this is the correct diagram for your truck, you can check your VIN code. The 2nd digit should be either a D or an F for the aluminum conventional cab, the 3rd digit should be H or I to indicate Detroit Diesel 8V-71 or 6-71 The 6th digit should be an A to indicate 1972.
1972 GMC Astro 95
1972 GMC Astro 95