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2013 Volvo VNL 630 TAIL LIGHTS NOT WORKING!

Discussion in 'Ask An Owner Operator' started by BobbyD13, Feb 5, 2020.

  1. Feb 5, 2020 #1
    BobbyD13

    BobbyD13 Bobtail Member

    25
    14
    Feb 10, 2017
    0
    Hello everyone. I’m having an issue with my tail lights on the tracktor. All the lights are working turn signals, stop lights but not the parking or marker light idk what exactly is called. I have checked the wiring harness/wires and fuses for the light control modules and they look good. I have recently replaced the tail lights but they used to work and both quit now. If anyone has dealt with this please let me know how to solve this please Thank you
     
    BobbyD13, Feb 5, 2020
    BobbyD13, Feb 5, 2020
    #1
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  3. Feb 6, 2020 #2
    Reprez12

    Reprez12 Bobtail Member

    1
    0
    Feb 6, 2020
    Illinois
    0
    I got the same problem by any chance somebody has the wiring diagram from the harness tail lights?
     
    Reprez12, Feb 6, 2020
    Reprez12, Feb 6, 2020
    #2
  4. Feb 10, 2020 #3
    BobbyD13

    BobbyD13 Bobtail Member

    25
    14
    Feb 10, 2017
    0
    Update: Found a wire that had been rubbing against the frame towards the back of the truck right above the axle. Fixed it and everything works like it should.
     

    Attached Files:

    BobbyD13, Feb 10, 2020
    BobbyD13, Feb 10, 2020
    #3
    Reprez12 Thanks this.
  6. Aug 8, 2020 #5
    sag

    sag Bobtail Member

    1
    0
    Jan 24, 2018
    0
    I have the same problem on a 2016 vnl 780 but i have power from the back of the truck to the plug under the cab. Does anyone know how to test light switch harness from switch to firewall pins I tried unplugging light switch and powered wires with no power at the firewall. stop tail and emergency all work
     
    sag, Aug 8, 2020
    sag, Aug 8, 2020
    #5
  8. Jan 27, 2021 #5
    Yadumalke

    Yadumalke Bobtail Member

    2
    0
    Oct 1, 2020
    0
    I had exact same issue, please suggest? Thnkx
     
    Yadumalke, Jan 27, 2021
    Yadumalke, Jan 27, 2021
    #5
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