Lost all power to sleeper after LVD - 2016 579

Discussion in 'Peterbilt Forum' started by mhlvc, May 2, 2020.

  1. mhlvc

    mhlvc Bobtail Member

    41
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    May 2, 2020
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    So as I was trying to fix an issue where none of my front vents are working, I had the truck in contact with the air blowing full power - and then I got a LVD warning. Didnt think nothing of it since I get it a lot, so didnt turn on truck.

    Now all my sleeper power is gone, no lights, fridge doesnt work.

    What could be a fix?
    -Fuse? Should i look at the fuses below the bed?
    -Mega fuse? If there is 1 - where is it located?
    -Bad batteries?
     
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  3. uncleal13

    uncleal13 Road Train Member

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    Did you restart the engine?
     
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  4. The_young_buck

    The_young_buck Bobtail Member

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    May 2, 2020
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    Check in your cab fuse panel or bunk for a fuse or a breaker
     
  5. mhlvc

    mhlvc Bobtail Member

    41
    17
    May 2, 2020
    0
    So the 2 fuses labeled Powerpoint1 and Cig Light go out and I lose all power to sleeper. I also can’t seem to control the drivers dash above the speedometer. The knob/back button isnt working.
    I have no idea what the problem is now.
    A bad relay?
    How do I check for faulty relays?
     
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