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  1. P

    1984 k10 firing issue

    Hey I’m new here hope to get some answers about my 1984 k10 Here’s my issue . It will not fire when cranking has zero spark , but if I use a bypass connector I bought online to bypass the ESC it will fire up and run has a rough idle but it will idle and run . I can let it warm up for about 5-10...
  2. J

    Bypassed esc now truck runs awful.

    I recently bypassed the esc on my 86 because the box was bad and would not produce spark. The truck ran very smooth before the box went out but now has a miss. Ive adjusted the timing like a few guys suggested but it still misses. New plugs, wires, cap, rotor, coil as well. Ive also made sure...

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