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2007 Freightliner Columbia

Discussion in 'Freightliner Forum' started by Smellfunny, Jul 9, 2013.

Page 1 of 2
  1. Jul 9, 2013 #1
    Smellfunny

    Smellfunny Road Train Member

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    Jan 28, 2012
    South Carolina
    0
    Truck has an issue with the radio volume going out during the day. Sometimes the dash gauges will sweep also. Never get any lights (check engine) or does the truck lose power. Any ideas?
     
    Smellfunny, Jul 9, 2013
    Smellfunny, Jul 9, 2013
    #1
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  3. Jul 9, 2013 #2
    sourdiesel

    sourdiesel Light Load Member

    117
    81
    Aug 24, 2011
    warrenton,va
    0
    Its got bugs in it!!!!!!
     
    sourdiesel, Jul 9, 2013
    sourdiesel, Jul 9, 2013
    #2
  4. Jul 9, 2013 #3
    USCG Aviator

    USCG Aviator Bobtail Member

    11
    2
    Sep 8, 2007
    Orlando, FL
    0
    Sounds like a short. The truck will not give a check warning light for the issues you mention unless the component is connected to the ECM brain. Sometimes when a capacitor or sensor is going out it will affect the electrical components. Also; An improper grounding will cause issues. Had one of those on my truck in 2007.
     
    USCG Aviator, Jul 9, 2013
    USCG Aviator, Jul 9, 2013
    #3
  5. Jul 9, 2013 #4
    MNdriver

    MNdriver Road Train Member

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    MNdriver, Jul 9, 2013
    MNdriver, Jul 9, 2013
    #4
    Smellfunny Thanks this.
  7. Jul 9, 2013 #5
    dgc

    dgc Light Load Member

    92
    46
    Dec 2, 2012
    miami, fl
    0
    sounds like a ground problem
     
    dgc, Jul 9, 2013
    dgc, Jul 9, 2013
    #5
  8. Jul 9, 2013 #6
    MNdriver

    MNdriver Road Train Member

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    I'd lay money on wiring harness from ECM to firewall
     
    MNdriver, Jul 9, 2013
    MNdriver, Jul 9, 2013
    #6
  9. Jul 9, 2013 #7
    Smellfunny

    Smellfunny Road Train Member

    1,395
    936
    Jan 28, 2012
    South Carolina
    0
    Thanks for the replies. And thank MNdriver. This guy has a C-13 Cat in his truck. But I do have another guy at the shop that has an electrical issue that has a Detroit and this will help. This guy with the radio/dash problem will be in Friday so I will get a look at it then. He stopped by the shop briefly the other day and I did a very quick look over on it.
     
    Smellfunny, Jul 9, 2013
    Smellfunny, Jul 9, 2013
    #7
  10. Jul 9, 2013 #8
    MNdriver

    MNdriver Road Train Member

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    That is a very similar designed harness.

    Id lay money the data links are damagef in both
     
    MNdriver, Jul 9, 2013
    MNdriver, Jul 9, 2013
    #8
  11. Jul 14, 2013 #9
    kneegrow

    kneegrow Bobtail Member

    10
    2
    Jul 24, 2009
    ardmore, ok
    0
    The problem is most likely in the fuse panel behind the drivers seat. Start by inspecting it.
     
    kneegrow, Jul 14, 2013
    kneegrow, Jul 14, 2013
    #9
  12. Jul 14, 2013 #10
    Hammertyme

    Hammertyme Light Load Member

    91
    41
    Apr 23, 2013
    0
    I had one that the battery box cover was grounding off on bumps or corners. It would sweep gages and even do a full system shut down like all power and lights off when running thru the I-40 canyons.
     
    Hammertyme, Jul 14, 2013
    Hammertyme, Jul 14, 2013
    #10
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