Brake lights stuck on and turn signal works only on right side.

Discussion in 'Freightliner Forum' started by funky dirt hauler, May 24, 2012.

  1. funky dirt hauler

    funky dirt hauler Bobtail Member

    9
    0
    Mar 28, 2008
    San Jose , california
    0
    With lights off everything works fine ,then with lights on the left turn signal won`t flash and the brake lights come on without touching the brake pedal. I changed the flasher and turn signal assembly and it still does the same thing. Thanks for your help
     
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  3. bender

    bender Road Train Member

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    Jul 20, 2010
    Don't Kid Yourself
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    Sounds like you have a poor ground on the left rear t-sig lamp. Keep in mind that the brake lamps will be on anytime the key is in the on position with the parking brake set. You might check your rear tail lamp bulbs for a broken turn/stop filament that's crossing over to the tail filament causing the issue of the stop lights.
     
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  4. bender

    bender Road Train Member

    2,105
    1,352
    Jul 20, 2010
    Don't Kid Yourself
    0
    Sounds like you have a poor ground on the left rear t-sig lamp. Keep in mind that the brake lamps will be on anytime the key is in the on position with the parking brake set. You might check your rear tail lamp bulbs for a broken turn/stop filament that's crossing over to the tail filament causing the issue of the stop lights. Is this a straight truck or do you pull a trailer?
     
  5. Pablo-UA

    Pablo-UA Road Train Member

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    Oct 11, 2010
    Borispol, Ukraine
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    sounds like short trailer wiring ore short trucktor trailer cabel. May be short tailamp ore trailer tail lamp
     
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  6. funky dirt hauler

    funky dirt hauler Bobtail Member

    9
    0
    Mar 28, 2008
    San Jose , california
    0
    Found the problem ! The two contacts on the bottom of the tail light bulbs over heated due to my running flashers and lights on a night job. The contacts melted into each other and caused brake light to come on with tail lights. Thanks for your advice !
     
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