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Kenworth T800 electrical issues

Discussion in 'Kenworth Forum' started by Ramos, Mar 31, 2017.

  1. Mar 31, 2017 #1
    Ramos

    Ramos Bobtail Member

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    Mar 31, 2017
    0
    Hello i have a 2008 kenworth t800 ,the left turn signal on the dash won't turn off ,the light outside won't turn on unless I move the handle but the light on the dash stays light, not flashing ,just lit,also my trailer left turn signal is not working and my trailer brake lights are not working, there is no current going to the pigtail I checked for current ,any ideas ?
     
    Ramos, Mar 31, 2017
    Ramos, Mar 31, 2017
    #1
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  3. Mar 31, 2017 #2
    Ramos

    Ramos Bobtail Member

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    Mar 31, 2017
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    I meant to say there is no current going to the stop lights pin on the connection coming from the tractor but there is for all the other lights
     
    Ramos, Mar 31, 2017
    Ramos, Mar 31, 2017
    #2
  4. Mar 31, 2017 #3
    JDHIGGINS44

    JDHIGGINS44 Light Load Member

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    Jun 29, 2015
    Waynesburg, PA
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    Well the turn signal being on solid makes me think either you just put new lights in and crossed the turn signal wire with the marker light wire or odd and far fetched as it may seem I have seen the bulbs where the one filament actually breaks inside and lays across the other causing the exact same symptom. The trailer problem is more than likely not related as brake and turn signals are on a separate circuit.
     
    JDHIGGINS44, Mar 31, 2017
    JDHIGGINS44, Mar 31, 2017
    #3
  5. Mar 31, 2017 #4
    JDHIGGINS44

    JDHIGGINS44 Light Load Member

    111
    262
    Jun 29, 2015
    Waynesburg, PA
    0
    Check your brake switch on the tractor then for power going and then power coming out with the brakes depressed and then proceed and troubleshoot on from there.
     
    JDHIGGINS44, Mar 31, 2017
    JDHIGGINS44, Mar 31, 2017
    #4
  7. Mar 31, 2017 #5
    Ramos

    Ramos Bobtail Member

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    Mar 31, 2017
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    Do you think the brake lights would work on the tractor if it's the brake switch?
     
    Ramos, Mar 31, 2017
    Ramos, Mar 31, 2017
    #5
  8. Mar 31, 2017 #6
    Ridgeline

    Ridgeline Road Train Member

    20,732
    101,011
    Dec 18, 2011
    Michigan
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    Ideas?

    Yes, the body computer may be bad.
     
    Ridgeline, Mar 31, 2017
    Ridgeline, Mar 31, 2017
    #6
  9. Mar 31, 2017 #7
    Ramos

    Ramos Bobtail Member

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    Mar 31, 2017
    0
    Thank you ,now I have a place to start looking for my shortage
     
    Ramos, Mar 31, 2017
    Ramos, Mar 31, 2017
    #7
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