air pressure buzzer

Discussion in 'Peterbilt Forum' started by cajunyankee, Nov 26, 2013.

  1. cajunyankee

    cajunyankee Bobtail Member

    11
    3
    Sep 8, 2013
    0
    I have 2001 pete 378 air buzzer and light stay on after pressure gauge marks full I got plenty air I checked tanks thanks in advance
     
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  3. 379exhd

    379exhd Road Train Member

    2,925
    3,149
    Jun 25, 2012
    rolling through hell
    0
    You probably have a short pull the kick plate and check your wiring. My buzzer did the same thing on my tractor. Had a stripped ground wire. Cut the wire put a butt connector on problem solved. May be the air pressure switch.
     
  4. cajunyankee

    cajunyankee Bobtail Member

    11
    3
    Sep 8, 2013
    0
    Thanks it was sending units replaced both
     
  5. Klleetrucking

    Klleetrucking Medium Load Member

    378
    345
    Dec 11, 2010
    S.C.
    0
    Good call on replacing both.

    On my '03 379 those jokers aren't the easiest thing to get to. When I traded my '99 379 the sender stuck the day I was trading. 350 miles of that beeper was a little hard to bear.
     
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