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I just recently put a 102 drive-by wire throttlebody on my C-5 it has gold butterfly the factory with a silver butterfly for the information that I found I reversed the wires for the polarity so that it would open the correct way still having issues out of it going into reduced engine power not sure if there?s something else I need to change any help would be greatly appreciated
Which adapter did you use? What DTC's are being displayed when it goes into REP?
I kept having the same problem using a ls3 gold blade throttle body, I am searching through my old links but I remember something in the wiring for the TAC module wiring needed changed along with changing the polarity, I decided instead of going through all of that I just got a Ls2 style throttle body to avoid issues