2004 Peterbilt 379 has lost all sleeper controls

Discussion in 'Peterbilt Forum' started by Bugsy379, Nov 9, 2018.

  1. Bugsy379

    Bugsy379 Bobtail Member

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    I've lost all power to my control panel in my sleeper. I have a 2004 379 stand up. My ice box still has power and the sleep dome light still works. The panel isn't lighting up nor any of the controls working. I've changed the actuator in the dash and the mode selector. I can only get air coming out of the defrost.
     
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  3. towmantater

    towmantater Light Load Member

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    You check your fuses and wiring? Do a volt test to see if there's any juice? Follow the juice see where it stops.
     
  4. Bugsy379

    Bugsy379 Bobtail Member

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    Nov 9, 2018
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    All the fuses are working. I used the heater on defrost 2 weeks ago up north. Last Sunday when I got ready to leave I turned on the AC and it didn't work nor does anything come out of the vents. The control panel in the sleeper doesn't do anything. Everything was working fine.
     
  5. towmantater

    towmantater Light Load Member

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    But have you checked it now? Just because it was doesn't mean something ain't changed. Could be a critter got up in there or you knocked something loose.
     
  6. Bugsy379

    Bugsy379 Bobtail Member

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    Nov 9, 2018
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    Yes I've checked the fuses and switched relays around over and over. I replaced the mode actuator and mode selector on the front control panel
     
  7. towmantater

    towmantater Light Load Member

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    Aha, okay. I'm not too sure then. Might get an electrician or someone to look at it.
     
    Bugsy379 Thanks this.
  8. towmantater

    towmantater Light Load Member

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    Wait a minute you ain't got one of those stupid kill switches that disconnects the power?
     
  9. Bugsy379

    Bugsy379 Bobtail Member

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    Nov 9, 2018
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    No I only have the ignition switch
     
  10. towmantater

    towmantater Light Load Member

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    Oh OK. I thought about that. On our commercial wrecker it's got one on the dash board. Cuts the power in case of an emergency. Real easy to accidentally hit.
     
    Bugsy379 Thanks this.
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