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Old 11-29-2017, 11:29 AM   #16
Captain J
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Join Date: Nov 2017
Location: H, Q
Posts: 180
Thumbs up Re: 1972 GMC Sierra c2500, electric

Quote:
Originally Posted by allchevy58 View Post
Your wire should run to a positive block on right fender. You must have a short. Wire diagram shows it going to high beam switch and headlight switch. Looks like it tees off to alternator too. Someone spliced in the red wire to the black with the flat fuse.
Thanks for the pictures, the headlight switch works ok, so is the the high beam, but I’ll recheck.
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1972 GMC Sierra C2500, V8-350
1986 GMC Sierra C2500, V8-454
1986 GMC Sierra C2500, V8-LS1
1986 GMC Sierra K2500, V8-350
1987 GMC Sierra R3500, V8-454
1997 GMC Sierra K2500, V8-454
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