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#1 |
Registered User
![]() Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,514
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Quick easy HEI hookup on 67/72 trucks
A while back I picked up an aftermarket Hei for the 71 and decided that I didn't want to cut up the wiring harness to hook it up along with the fact that an HEI needs a heavier wire running to it.
What I did was just tape the original ign wire into the harness so it was there if I ever had need for it while running a 10 gage wire from one of the hot with ign on pins on the fuse block. That is one of the two pins you see in this drawing that are labeled Ign line. Top right in this photo but it will be on the inside side of the fuse block in the truck. ![]() it makes a simple hookup that leaves your original wiring uncut in case there is a reason to reinstall the |
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