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Old 02-14-2018, 11:30 AM   #4
mongocanfly
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Join Date: May 2015
Location: Alabama
Posts: 14,692
Re: Which wires should I keep?

when you get your harness youll have 4 wires that have to be hooked to the truck...youll have a constant 12v, a switch on 12v, and a couple grounds...in my swap harness there was a tach wire but I don't have a tach so im not sure exactly how it hooks up
for my switch on wire I just used the wire that went to the hei...I pulled it back thru the firewall...
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