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Old 03-14-2016, 08:02 PM   #8
redneckwheelman2
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Join Date: Jun 2009
Location: harris mn
Posts: 126
Re: Simple TBI build

i havent seen a stock wired truck before but i think gm had the power for the truck hooked threw the starter lug. i have mine hooked to the alternator.

the one thing i noticed with the harness in my 87 is there is two different power suply wires for the fuse block. one for most of the interior then the other runs the headlights, and most if not all interior lights i believe. just found that out yesterday.
so there should be a big red one on the very top left and left center of the engine side of the fuse block harness those i believe should be the constant hot wires.
top left is the one that controls lights and more probly

have touched or redid every wire in this thing it seems like doing the harness swap. so far the last wire i need to hook up is the oil pressure sensor.
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