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Old 02-01-2023, 10:07 AM   #10
67olds
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Join Date: Feb 2011
Location: South-Eastern Wisconsin
Posts: 147
Re: Headlight Harness Install

Quote:
Originally Posted by mrein3 View Post
I rolled my own "harness" and will never go back.

And yes it will work for a GMC with 4 headlights. The only difference is the "high" relay goes to one set of lights, the "low" relay to the other.

I thought that might be the case but I hate wiring so wanted to check. Thank you!
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