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Unimount headlight wiring on 80 chevy, help needed

Discussion in 'Truck & Equipment Repair' started by GSS LLC, Nov 1, 2012.

  1. GSS LLC

    GSS LLC Senior Member
    Messages: 637

    alright, i purchased a unimount with wiring harness for an 80s chevy. everything plugged up and the plow moves fine. but i have no headlights. I am having trouble finding the right diagram for my truck, it is a 1980 chevy 1/2 ton with the round headlights.

    if needed, i would just run them direct to the battery via a switch and relay, but i would like them to work with the western wiring.

    for the record, there are no relays or relay plugs that i can find in this wiring harness.
  2. GSS LLC

    GSS LLC Senior Member
    Messages: 637

    red, blue and orange wires go to the headlights

    on the relays,
    red and green wire have power, brown, black, white have no power on one relay

    on the other relay there is a yellow, black/yellow,orange, and brown wire going to it, none have power.
  3. GSS LLC

    GSS LLC Senior Member
    Messages: 637

    the red and blue wires at the headlight plugs have power and i grounded the orange wires with a quick splice to ensure a good ground.