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Trailer lights stopped working

Discussion in 'Trucks and Trailers' started by Keegan, Oct 3, 2012.

  1. Keegan

    Keegan LawnSite Senior Member
    from CT
    Messages: 612

    Could it be the fuses in the truck?
  2. macgyver_GA

    macgyver_GA LawnSite Senior Member
    Messages: 826

    Could be.... But it could be other things too.

    What kinda of truck? What kind of trailer? What type of tow system (OEM or Aftermarket)?

    Be more specific...
  3. vaacutabove

    vaacutabove LawnSite Bronze Member
    Messages: 1,011

    Go spend 30 bucks replace wiring and all well worth it.
    Posted via Mobile Device
  4. die4irish

    die4irish LawnSite Member
    from ohio
    Messages: 104

    check the ground wire.
  5. 01thump

    01thump LawnSite Member
    from orlando
    Messages: 200

    How do you know they stopped working ?
  6. 01thump

    01thump LawnSite Member
    from orlando
    Messages: 200

    ^^^ I do not care who you are that right there is funny !!
  7. C Jovingo Landscaping

    C Jovingo Landscaping LawnSite Senior Member
    Messages: 436

    Are you using Flat 4 wire connection between truck & trailer? I bought a flat 4 wire Key chain tester. If I ever have light issue first thing I do is plug tester into the truck, turn on parking/running lights & hazards. If all 3 light work on tester, then the issue is the trailer (usually bad ground). They probaly make tester for the other style trailer connections but not sure, or a simple volt meter will do to test the truck.
    Posted via Mobile Device
  8. Keegan

    Keegan LawnSite Senior Member
    from CT
    Messages: 612

    I have a Ram 1500 and a Parker Trailer. OEM tow.

    STIHL GUY LawnSite Fanatic
    from CT
    Messages: 5,226

    my running lights on my trailer stopped working bu it ended up being a bad ground on the truck and had nothing to do with the trailer...if someone you know has a truck or any vehicle set up for towing plug your trailer into that and thall tell you if its the trailer or your truck

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