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Old 01-27-2019, 09:29 PM   #5
72 k15
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Join Date: Sep 2018
Location: Fargo
Posts: 377
Re: 72 GMC wiring harnesses help

Quote:
Originally Posted by Andy4639 View Post
If your going to use a stand alone your truck harness you have now will be what you use it has nothing to do with the LS swap.
The stand alone should come with a hot 12 volt to tie into the switch and a ground the rest is in the stand alone yours in the truck want be changed at all.
So just buy a normal harness for my truck and wire the ls harness up to the hot key switch and be good to go? Who makes the best harnesses?
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