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What is this trailer wire?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Terlingua, Jul 14, 2022.

Page 1 of 2
  1. Jul 14, 2022 #1
    Terlingua

    Terlingua Medium Load Member

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    Can someone tell me what this 4-conductor wire is that runs along the trailer air lines? Is it ABS? All the trailer lighting seems to be working. Something must have kicked up from the road and cut it.

    C99EC30A-A04E-48E4-9221-8D164FBD1084.jpeg
     
    Terlingua, Jul 14, 2022
    Terlingua, Jul 14, 2022
    #1
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  3. Jul 14, 2022 #2
    Tumbleweed TowMan

    Tumbleweed TowMan Medium Load Member

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    um, did you follow where it goes to?

    And find the other cut end to follow it?
    It's obviously hanging somewhere also,
     
    Tumbleweed TowMan, Jul 14, 2022
    Tumbleweed TowMan, Jul 14, 2022
    #2
    lwlevens Thanks this.
  4. Jul 14, 2022 #3
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    ABS module feed. They get cut often.

    Power, ground, brake signal, and light. Connect same colors and roll
     
    Big Road Skateboard, Jul 14, 2022
    Big Road Skateboard, Jul 14, 2022
    #3
    lwlevens Thanks this.
  5. Jul 14, 2022 #4
    Tumbleweed TowMan

    Tumbleweed TowMan Medium Load Member

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    Wouldn't that throw a (not-mentioned) dash lite?
     
    Tumbleweed TowMan, Jul 14, 2022
    Tumbleweed TowMan, Jul 14, 2022
    #4
    Big Road Skateboard Thanks this.
  7. Jul 14, 2022 #5
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Yes. But won't on the trailer because 12v blue supply is cut
     
    Big Road Skateboard, Jul 14, 2022
    Big Road Skateboard, Jul 14, 2022
    #5
  8. Jul 14, 2022 #6
    Terlingua

    Terlingua Medium Load Member

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    No abs light. I saw that it went to the tandems, which made me think ABS, but I wanted to be sure.
     
    Terlingua, Jul 14, 2022
    Terlingua, Jul 14, 2022
    #6
  9. Jul 14, 2022 #7
    Tumbleweed TowMan

    Tumbleweed TowMan Medium Load Member

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    Well that makes perfect sense, it cant throw the dash.
     
    Tumbleweed TowMan, Jul 14, 2022
    Tumbleweed TowMan, Jul 14, 2022
    #7
  10. Jul 14, 2022 #8
    Terlingua

    Terlingua Medium Load Member

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    So, other than a potential violation if I were inspected, it’s safe to keep going back to the shop at the terminal?
     
    Terlingua, Jul 14, 2022
    Terlingua, Jul 14, 2022
    #8
  11. Jul 14, 2022 #9
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Yes
     
    Big Road Skateboard, Jul 14, 2022
    Big Road Skateboard, Jul 14, 2022
    #9
    Terlingua Thanks this.
  12. Jul 17, 2022 #10
    Lazer

    Lazer Road Train Member

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    I may be mistaken, but a ‘trailer abs’ is not a violation. ‘Tractor abs’ is, but not trailer.
    At least that was the policy at the last company I worked at.
     
    Lazer, Jul 17, 2022
    Lazer, Jul 17, 2022
    #10
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