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freightliner columbia keeps burning power distribution module

Discussion in 'Freightliner Forum' started by beleavchenko, Oct 28, 2018.

  1. Oct 28, 2018 #1
    beleavchenko

    beleavchenko Bobtail Member

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    Oct 28, 2018
    0
    2007 freightliner columbia keeps burning power distribution module. what can be the cause, have replaced 3 already, will burn it with key in off position , truck parked. the 50 amps fuse under dash passenger side burned too, replaced it. checked for short, and didn't find any. any suggestions what can cause it to burn and where I should look?
     
    beleavchenko, Oct 28, 2018
    beleavchenko, Oct 28, 2018
    #1
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  3. Oct 28, 2018 #2
    Hulld

    Hulld Road Train Member

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    Upstate NY
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    Best guess is a leak with water intrusion somewhere.
     
    Hulld, Oct 28, 2018
    Hulld, Oct 28, 2018
    #2
    beleavchenko Thanks this.
  4. Oct 29, 2018 #3
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    romulus,mi
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    If you are talking about the auxillary PDM that is located in the driver side "b" pillar, then the cause is a water leak around the upper bunk window that leaks straight down into the top of the PDM. When you unplug the top 2 connectors you will see corrosion. Fix leak or put plastic bag around new PDM so that water cannot get inside.
     
    QUALITYTRUCK, Oct 29, 2018
    QUALITYTRUCK, Oct 29, 2018
    #3
    Rideandrepair and beleavchenko Thank this.
  5. Oct 29, 2018 #4
    beleavchenko

    beleavchenko Bobtail Member

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    Oct 28, 2018
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    I did found a water leak on wires and from the frame of the top window from sleeper, will try to seal it and hope it does the trick
     
    beleavchenko, Oct 29, 2018
    beleavchenko, Oct 29, 2018
    #4
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