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Peterbilt 386 electrical issues help

Discussion in 'Peterbilt Forum' started by Jboxer, Jul 31, 2017.

  1. Jul 31, 2017 #1
    Jboxer

    Jboxer Bobtail Member

    2
    0
    Jul 31, 2017
    0
    2007 peterbilt 386 lose of power to cb, power windows, dome lights, cig lighter, blower motor fan, goes on and off...cb makes clicking noise when power is lost...does anyone know what is causing this and what to check? Thank you for any help you can give me.
     
    Last edited: Jul 31, 2017
    Jboxer, Jul 31, 2017
    Jboxer, Jul 31, 2017
    #1
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  3. Aug 14, 2017 #2
    Lazman

    Lazman Bobtail Member

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    Aug 13, 2017
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    Check all battery connections first , second check the fuse box at the fire wall by steering shaft. Check that the hot wire is tight.
     
    Lazman, Aug 14, 2017
    Lazman, Aug 14, 2017
    #2
  4. Aug 14, 2017 #3
    Jboxer

    Jboxer Bobtail Member

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    Jul 31, 2017
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    Found out it was the low voltage disconnect box
     
    Jboxer, Aug 14, 2017
    Jboxer, Aug 14, 2017
    #3
  5. Oct 7, 2017 #4
    Cooper7623

    Cooper7623 Bobtail Member

    10
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    May 22, 2011
    Grand Rapids, MI
    0
    I am having a similar issue with my 2009 Pete 386. Lost all my dome lights, floor courtesy light, and my cigarette lighter is working but not unless you play with it. Where exactly is the low voltage disconnect located? That would be a good place to start my search. All fuses are tested and good.
     
    Cooper7623, Oct 7, 2017
    Cooper7623, Oct 7, 2017
    #4
  7. Jul 26, 2023 #5
    leolopez

    leolopez Bobtail Member

    1
    0
    Jul 26, 2023
    0
    i am having issues with a 386 Peterbilt with a caterpillar C15. this one turn off after a minute to be on. i need help!!!
     
    leolopez, Jul 26, 2023
    leolopez, Jul 26, 2023
    #5
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