Upfitter switches

Discussion in 'General Super Duty Discussion' started by GreyBeard, Jul 13, 2018.

  1. GreyBeard

    GreyBeard SDD Junior Member

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    Jul 13, 2018
    Peculiar, Mo
    Hello all,

    I am a newbie here and I have searched the forum up and down for info. I am trying to wire a light bar with a purchased harness with a relay. The relay has a power wire, ground and a white wire. I found the 4 wires for the upfitter under the hood and under the steering column. I usually not so ignorant to wiring although I am missing something here.

    Please help me out if you can.

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