Re: Doing TBI swap to 69 GMC
Jim is correct. We have an aftermarket painless TBI harness that is designed to be wired independently of the host vehicles harness. Should be able to locate an 87 wiring diagram and remove the extra wires and make your own stand alone harness. Then just hook up the hot wires to a fused feed from the battery. As a matter of fact we do not need our harness... pm me if interested.
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1990 S10 Reg. cab 2wd 2.5/ 700r4, lowered, soon to be a TBI 350/ 700r4
1993 2500 Reg. cab 4wd 6.5 turbo diesel/ 5spd, bigger turbo, Bull Moose pump, cold air intake, and a few other mods
1969 C10 Reg. cab 2wd 305/350, RHS heads, Voodoo Cam, Gilmer drive, 2400 stall, and lots of other goodies!
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