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Thread: PCM or not wired right

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  1. #9
    03 5.3/4L60e

    96 gmc.


    well now we are cooking...so pin 12 should be getting power? Is that 12v switched or constant 12v


    something else we noticed, with the new harness there is a purple I believe, marked crank, we got nothing from that wire, maybe its a signal wire, not sure, but I do know, we got nothing power or ground wise from it regardless of key position.




    The fuel pump was working from the first attempt at a start (even with the bad pedal sensors). We heard it come on each time, checked for pressure, its there, smell of fuel always there for a few minutes after cranking.
    Last edited by LSXmyford; 08-12-2008 at 05:31 AM.
    LSX conversions, so easy a caveman can do it.

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