Thread: 3 wire hook up
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Old 04-21-2018, 10:10 AM   #3
69BUCKET
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Join Date: Oct 2017
Location: Newton
Posts: 216
Re: 3 wire hook up

Quote:
Originally Posted by mongocanfly View Post
what you need is switch on power....constant power...and grounds...
For switch on power i used the big switch on hot wire going to my hei...for constant hot i wired into the junction terminal on the firewall...grounds are self explaining ..but you do need to have ground to engine to body to frame....
my truck didn't have an engine in it...so i guess i am asking more specifically which wire is the switch on power wire at the fire wall? Constant i have...and 3rd wire is for fuel pump which is hooked up....have new ground straps as well.
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