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    12200411 PCM swap for 1996 to 2000 GMT400 trucks

    so my 0411 swap on my 2k Jimmy/Blazer went relatively smoothly.. cranked after the swap but wouldn't idle without giving it throttle until warm. I see there is some small differences in my MAF table that I need to swap over from the 99/2k BB tune. I am confused about the trans PRND wires though...
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