ABS 1998peterbilt

Discussion in 'Peterbilt Forum' started by Vrodri09, Apr 29, 2017.

  1. Vrodri09

    Vrodri09 Bobtail Member

    1
    0
    Apr 29, 2017
    0
    when I turn on truck abs light comes on then off like it supposed to. But when I apply brakes the ABS light doesn't come on while I am pulling trailer. I know it's not trailer because it works with other trucks. Took it to shop they could not find problem please help
     
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  3. OldSchoolCool

    OldSchoolCool Bobtail Member

    23
    16
    Dec 18, 2015
    Southwest Oklahoma
    0
    You need to chase down the center pole power on your electrical cord following it back toward your dash. Some trucks are switched for the center pole ( abs, dump valve option, or other aux's..... and some are keyed hot if it doesn't have a switch.... supermiller.com has wiring diagrams for easy reference and wire numbers..
     
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