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7way to a 4 way female adapter

Discussion in 'Towing' started by Vanellies, Mar 18, 2011.

  1. Vanellies

    Vanellies [OP] New Member

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    Hello,

    I just picked up a 7 to 4 way adapter. I have a question about the blue and yellow and white wires. I'm pretty sure that you hook the blue wires up to your back up lights. I think white is the ground, but where does the yellow wire go? Also how do I gain access to the blue backup lights so I can splice them all together?

    I have a 2003 double cab TRD Tacoma

    Thanks

    Van
     
  2. Pugga

    Pugga Pasti-Dip Free Since 1983

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    Pics would help. Did the wiring harness come with any sort of wiring diagram? If I'm reading your post correctly, you're trying to wire up a 4-pin trailer wiring harness?? In which case, you do not tap into your back-up lights. The 4 wires would connect to the brake/running lights, one for each turn signal and one is a ground.
     
  3. Vanellies

    Vanellies [OP] New Member

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    03 SR5 TRD 4 door double Cab
    I already have a 4 way flat I'm trying to install a 7-way round, because my trailer has breaks on it.

    Here is the part I have purchased. http://reese.cequent-cpi.com/product/detail.asp?ID=85342

    I was just wondering how I would gain access to the wires, so I could splice the yellow to the reverse lights and also hook up the blue and black wires.

    Thanks

    Van
     
  4. Bama_TACO

    Bama_TACO ROLL TIDE!!!!!!!

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    Are you talking about this?

    [​IMG]
     
  5. Vanellies

    Vanellies [OP] New Member

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    Yes that is it.
     
  6. Pugga

    Pugga Pasti-Dip Free Since 1983

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    28,672
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    Mike
    Massachusetts
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    '13 Ford F-150 SCREW
    F-150 Mod
    Sorry about that... scratch my last post, I misunderstood what you were asking about.
     
  7. Bama_TACO

    Bama_TACO ROLL TIDE!!!!!!!

    Joined:
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    Winfield, AL
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