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GMC Wiring Diagram

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=18845
Printed Date: July 19, 2025 at 6:24 AM


Topic: GMC Wiring Diagram

Posted By: BeachBum
Subject: GMC Wiring Diagram
Date Posted: September 12, 2003 at 6:55 PM

1979 GMC G-25 Value Van ( the FEDEX local delivery type vehicle ) 

This is a simple vehicle wiring system, but (A) I don't have the time to just trace all of the wiring ( which I know I need to do ) and (B) this vehicles wiring system has been pacted and reworked so many times I really don't know where to start.

I need the proper wiring diagram so that I can get all the material needed to do the re-wire, so that when I do have the time I can just do it with limited down time to the truck. I would really appreciate any help I can get with this. Thanks.




Replies:

Posted By: CBates
Date Posted: September 15, 2003 at 9:34 PM

See if you cant find a chilton or haynes manual for it, I dont think any of us will have that info.



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They call it PMS because Mad Cow Disease was already taken.....


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