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Ac/heater unit wiring question

Discussion in 'GM Electrical Tech' started by Moilan57, May 31, 2013.

  1. Moilan57

    Moilan57 New Member

    1988 chevy c1500. I have a green and purple wire coming out of the fire wall to the engine that is unplugged does anyone know whst they are for or what they go to

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