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Trailer Marker lights won’t burn

Discussion in 'Towing' started by Chipper 20, Dec 13, 2019.

  1. Dec 13, 2019 at 12:12 PM
    #1
    Chipper 20

    Chipper 20 [OP] New Member

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    Looking advice here. Trailer marker lights went while I was towing it with my 12 Tacoma. Plug my friends truck into it and they worked , all other lights work fine turn and brake. I bought a new OEM 7 pin connector harness and installed it but still no marker lights. All lights work on truck and pluged my trailer into a SUV and they worked fine. Looking for advice on this problem. What could it be
     
  2. Dec 13, 2019 at 3:20 PM
    #2
    crazysccrmd

    crazysccrmd Well-Known Member

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    Alaska
    Vehicle:
    Aprilia Tuareg 660
    The fuse box under the hood has a fuse for trailer lights, I’d start there.
     
    Chipper 20[OP] likes this.
  3. Dec 13, 2019 at 3:22 PM
    #3
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

    Joined:
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    Largo Florida
    Vehicle:
    '13 5 lug AC w/convenience package
    A few OE parts from fancy trucks
    Have you used a DVM to test each prong of the plug?
     

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