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Jthampton17's avatar
Jthampton17
Explorer
Aug 12, 2014

No electrical after wiring change

I am wondering if I missed something while rewiring my trailer harness. I converted the original 7 pin wiring harness to a 6 pin. When I did so I did not hook up the yellow accessory wire. Does that yellow wire control the electrical inside of the trailer? Must I keep the harness as a 7 pin or can I tie that yellow wire into something else on the 6 pin?

You are all great! Thanks for the time!
  • beemerphile1 wrote:
    I am really puzzled why anyone would replace the (industry standard) seven-way with a six-way, seems like a bad idea that will need changed back to a seven-way at some point.

    Anyhow, maybe these trailer wiring diagrams will help;
    https://www.etrailer.com/faq-wiring.aspx


    I had to change it to pull behind an rv with a 6 pin connector. I am going back to a 7 pin ASAP!
  • What inside electrical are you referring to? If you have a battery everything should still work on 12V.
  • Bird Freak wrote:
    What inside electrical are you referring to? If you have a battery everything should still work on 12V.


    I do have a battery and it is working fine. I used a voltmeter to check but I have no interior electrical power at all. The only wiring I changed was that 7 pin to 6 pin. And I did not rebook up the yellow acces wire.
  • Look for a blown fuse between the battery and the electrical panel. You may have dead shorted the 12V power line.
  • bid_time wrote:
    Look for a blown fuse between the battery and the electrical panel. You may have dead shorted the 12V power line.
    Ditto
  • Bird Freak wrote:
    bid_time wrote:
    Look for a blown fuse between the battery and the electrical panel. You may have dead shorted the 12V power line.
    Ditto


    I found the problem. There is a fuse attached to the floor that is blown.
  • Next time just buy an adapter.

    http://smile.amazon.com/Hopkins-47445-Round-Pole-Adapter/dp/B004BE61OK/ref=sr_1_3?ie=UTF8&qid=1407865789&sr=8-3&keywords=7pin+to+6pin+adapter