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  1. Unkown Wire/ECM Problem

    Electrical Systems
    Hello i have a 86 elco working on it to run a 350 l31 vortec 5700 but it does not have power at all. But that is not the case here i noticed my knock sensor pigtail is missing and it was connected to a green/dark green wire coming from the left (drivers side) of my vehicle where the bulkhead...
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