389 lights on '05 379EXHD

Discussion in 'Peterbilt Forum' started by mccarrolltrucking, Jul 31, 2017.

  1. mccarrolltrucking

    mccarrolltrucking Bobtail Member

    18
    6
    Oct 21, 2012
    0
    wondered if anybody on here would happen to have a wiring diagram for 389 and 379 headlights, I've got a set of 389 headlights im putting on my 379 Pete, wires are different though so I thought I better get some better advice before cutting and splicing!! LOL!! Thanks
     
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  3. Jace379

    Jace379 Light Load Member

    146
    97
    Mar 6, 2017
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    Minimal amount of wires there buddy. Try a test light.
     
  4. mccarrolltrucking

    mccarrolltrucking Bobtail Member

    18
    6
    Oct 21, 2012
    0
    Works fine for the 379 side, test lights don't work on wires without power though, I need the 389 side
     
  5. mccarrolltrucking

    mccarrolltrucking Bobtail Member

    18
    6
    Oct 21, 2012
    0
    Took the light apart on the 389 and figured out the lighting circuit, here's the hookup for a 379 if anybody else needs a quick reference. Since all I got was ######## answers on here!!

    PETERBILT 389 Headlights wired to PETERBILT 379EXHD



    -389- -379-

    GREEN-------ORANGE

    RED/BLK------BLACK

    BLU/WHT-----RED

    GRN/YE-------BROWN

    BROWN (splice w/grn ye)

    Thicker BLACK----------#5 GREEN

    2 BLACK wires--------#2 GREEN
     
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