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  1. #1
    Bobtail Member
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    2003 columbia no power outlets and no interior lights! help! please

    i'm tired of going to the dealer and getting nothing fixed! and when they do "fix" something they only half fix the problem!
    the truck is a 2003 freightliner columbia 12.7 Detroit 10 speed with sleeper.


    my problem is, i have no interior lights! no over head lights. none of the 4 in cab 12v outlets work.
    i did notice the fuse box behind the drivers door had a little fire. i originally thought that was the problem. fuse box was replaced and still nothing works.

    today i went out with a test light, (i need to buy a multimeter)

    i have no power to the cigarette lighter fuse on either or the 2 fuse boxes.
    no power on the dash nor the one behind the door..

    where do i check next?


  2. #2
    Pepsiholic Bill104's Avatar
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    Check the wiring under the hood, look for wire that look soft or pulled , all you do is poke around til you find where one side lights up and the other side doesn,t, you don,t need a milti meter, test lights are fine ligt means volts are there,

  3. #3
    Pepsiholic Bill104's Avatar
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    So you know i own several meters, but rarely use them, there only used if you need to find 12 V in a 24 volt system or looking for weak volts, like cb repai or dim light, most times all you look for is if its there, plus if its weak a test lgt will be dim

  4. #4
    Pepsiholic Bill104's Avatar
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    It sounds like the box brunt up, they most likely cut out all the bad wires when replacing the box, they may have over looked a wire cut close to the harness, or the wire may have sucked up in the harness, so look for missing wires going into the box.

  5. #5
    Pepsiholic Bill104's Avatar
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    Sorry for so many posts here my good phone dyed,and this one limits the spaces i can type in.

  6. #6
    Road Train Member dave26027's Avatar
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    It sounds like your low voltage protection switch. The batts are low or the switch was wired around and won't come back on. Restarting the truck usually fixes the problem- but not if the low voltage switch was tampered with. Defective switch?

    It's a longshot, but maybe a total loss of ground between the cab and batts?

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  8. #7
    Pepsiholic Bill104's Avatar
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    I would think since he said the fuse bix area is brunt up,that it was deemed un important or no one realizd there was no power going to the sleeper after they changed it seem it many times.

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  10. #8
    Road Train Member BAYOU's Avatar
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    i had this same problem two weeks ago in my case it was the wire that ran from the firewall back to the battery box it was grounding out on the frame and melted the wire at the battery my truck is a 2005 so its the same truck start at the battery and go foward

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  12. #9
    Bobtail Member
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    Quote Originally Posted by dave26027 View Post
    It sounds like your low voltage protection switch. The batts are low or the switch was wired around and won't come back on. Restarting the truck usually fixes the problem- but not if the low voltage switch was tampered with. Defective switch?

    It's a longshot, but maybe a total loss of ground between the cab and batts?
    where is the switch located?

    i just started driving for this guy a few weeks ago. the outlets and the interior lights have not worked as long as i have been driving it. before i had driven it the truck had been sitting for a couple months and we had to jump the batteries to get her started.


    Quote Originally Posted by Bill104 View Post
    I would think since he said the fuse bix area is brunt up,that it was deemed un important or no one realized there was no power going to the sleeper after they changed it seem it many times.
    the previous drivers neglected the truck! i'm just trying to take care of the loose ends that was not taken care of.

  13. #10
    Pepsiholic Bill104's Avatar
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    I hate having to fix problems made by others, a simple wiring problem gets hella nasty once someone jerry rigs things, just keep folling the wires til you find where it gets hot again, good luck with it.

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