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  1. Transmission - Rearend
    So there's a few threads on how the wiring is on these or how to put a manual switch, but I couldn't find exactly what I was looking for. Everyone has 3 wire plugs and a vacuume sensor for the Lockout to engage/disengage blah blah blah. I'm running an 83 GMC originally k1500 with 6.2 and a 700r4...
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