Dash Lights???

Discussion in 'Peterbilt Forum' started by SoTexCoyote, May 5, 2011.

  1. SoTexCoyote

    SoTexCoyote Bobtail Member

    20
    12
    Jun 25, 2010
    San Antonio, Texas
    0
    Ok, this one has me stumped! 1999 Pete 378. Dash lights go out when you turn the bunk A/C on the dash to on. Turn it off, dash lights come back on???? Anybody have any ideas?
     
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  3. jr-transport

    jr-transport Light Load Member

    likely a bad ground/short in the a/c control box somewhere
     
  4. REDD

    REDD The Legend

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    Jun 29, 2009
    Dueling Banjoville
    0
    Perhaps someone wired the AC switch up as a dimmer switch?
     
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