Brake lights not working

Discussion in 'Kenworth Forum' started by needtoknownow, Apr 27, 2014.

  1. needtoknownow

    needtoknownow Bobtail Member

    12
    1
    Sep 14, 2013
    0
    I have a problem with the brake lights on my 1987 kenworth W9. The brake lights stay on all the time even when the truck is off. The turn signals work fine. I would appreciate any help I can get.
     
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  3. snoracerx

    snoracerx Light Load Member

    57
    31
    Mar 18, 2012
    Wisconsin
    0
    Brake light switch is stuck may have debris in the sensor or have failed
     
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  4. justa_driver

    justa_driver Road Train Member

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    Apr 2, 2014
    Tennessee
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    Yep that's what it sounds like.
     
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  5. needtoknownow

    needtoknownow Bobtail Member

    12
    1
    Sep 14, 2013
    0
    I dont know where the brake light senor is located.
     
  6. needtoknownow

    needtoknownow Bobtail Member

    12
    1
    Sep 14, 2013
    0
    I dont know where the brake light senor is located
     
  7. baha

    baha Road Train Member

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    Jul 25, 2013
    ga
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    Also CK. the trailer brake arm under steering wheel to be sure its in the full off poss.
     
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  8. snoracerx

    snoracerx Light Load Member

    57
    31
    Mar 18, 2012
    Wisconsin
    0
    The switch would be in the air system near the brake treadle valve
     
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