Re: 5.3 SWAP Wiring Problem
I feel your pain, it took me 3 weeks of more then just sundays to get mine going. I rewired and reprogrammed with EFI Live myself. Went to start it and had no injector pulse and no spark. I rechecked every pin on the ECM and traced a lot of the wiring... LONG story short I reflashed it with a different vin and it started right up........ But man, all the hate was gone when the sound of open headers scares the crap out of you.......
Trevor
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1968 short box stepside.
2007 5.3L 4L60, tuned w/EFI Live
2005 Silverado bucket seats.
Dominator 2600's all around.
Porterbuilt tubular control arms.
Magnaflow 3" dual exhaust.
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