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Trailer mechanic switched right brake light and turn signal

Discussion in 'Experienced Truckers' Advice' started by JC1971, Jul 15, 2023.

  1. Jul 15, 2023 #1
    JC1971

    JC1971 Road Train Member

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    Does it matter besides looks or is there a law that says it has to be in the correct place? The lights have a retaining ring riveted on so I can't fix it.
     
    JC1971, Jul 15, 2023
    JC1971, Jul 15, 2023
    #1
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  3. Jul 15, 2023 #2
    xsetra

    xsetra Road Train Member

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    no, I don't think it matters. Just needs to be back there. Can you reach the pigtails from underneath and behind. Switch those connectors.
     
    xsetra, Jul 15, 2023
    xsetra, Jul 15, 2023
    #2
    JC1971 Thanks this.
  4. Jul 15, 2023 #3
    Goodysnap

    Goodysnap Road Train Member

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    I would say both sides should be the same. Leaving them different left to right is just asking for trouble. But technically as long as they work…….
     
    Goodysnap, Jul 15, 2023
    Goodysnap, Jul 15, 2023
    #3
    JC1971 Thanks this.
  5. Jul 15, 2023 #4
    JC1971

    JC1971 Road Train Member

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    No, it looks like everything is tucked inside the metal frame from what I can see. I don't see how you can access the wire harness without pulling the lights out.
     
    JC1971, Jul 15, 2023
    JC1971, Jul 15, 2023
    #4
  7. Jul 15, 2023 #5
    kemosabi49

    kemosabi49 Trucker Forum STAFF Staff Member

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    Nothing in the regs say that the signals have to be outside and the brake lights inside. In fact the regs do not even say you need four taillights.
    Technically, you could have only one light on each side with a brake/signal/taillight combo and be legal.

    § 393.11 Lamps and reflective devices
     
    kemosabi49, Jul 15, 2023
    kemosabi49, Jul 15, 2023
    #5
    Bean Jr. and JC1971 Thank this.
  8. Jul 15, 2023 #6
    IH9300SBA

    IH9300SBA Road Train Member

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    Take a small flat screwdriver and pry them out. There's usually three small raised ribs holding them in and they will pop out if you're careful.
     
    IH9300SBA, Jul 15, 2023
    IH9300SBA, Jul 15, 2023
    #6
  9. Jul 16, 2023 #7
    abyliks

    abyliks Road Train Member

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    most brake/signals are on different circuits which is why there is 4
     
    abyliks, Jul 16, 2023
    abyliks, Jul 16, 2023
    #7
  10. Jul 17, 2023 #8
    SmallPackage

    SmallPackage Road Train Member

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    Also Make sure that the turns are correctly wired for the side they are on. If you are in the habit of checking them with the fourway lever you may never know that your trailer blinks left when the tractor blinks right. Seen this way to many times when someone replaces a bad 7 pin j-socket.
     
    SmallPackage, Jul 17, 2023
    SmallPackage, Jul 17, 2023
    #8
    kemosabi49 Thanks this.
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