Spare switch wiring

Discussion in 'Peterbilt Forum' started by Jasonb389, Mar 5, 2016.

  1. Jasonb389

    Jasonb389 Bobtail Member

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    Mar 5, 2016
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    I'm trying to wire in work lights and a trailer hot line into 2 of the 5 spare switches on a 2016 Peterbilt 389. How do I get the power to the switches? Do I need to buy any harnesses?
     
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  3. CJndaTruck

    CJndaTruck Road Train Member

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    The spare switches should already be powered. Pete should have left the wires capped someplace.
     
  4. GrapeApe

    GrapeApe Road Train Member

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    If they are factory installed switches, they should be wired, you should only have to find which slot to add a fuse and where they capped the wire.
     
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