Ace 4 Wire Round Trailer Plug

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4 wire round trailer plug. More buying choices 7 59 13 used new offers reese towpower 78115 insta plug trailer end connector with led circuit tester 4 wire flat 4 6 out of 5 stars 156. You will need to use a circuit tester part 40376 and find out which pins presently transmit which functions. The last pin on the bottom right would be used for the ground wire.

4 5 out of 5 stars 54. Other options new from 3 99. Start by cutting the white wire and attaching it to the trailer frame.

The rest of the wires are wired from below. Get it as soon as thu dec 10. If you you are looking at the front side of the 4 way round trailer side plug the top left prong would be used for right hand turn signal and brake function the top right pin would be the left side turn signal and brake light function while the bottom left would be used for the tail light function.

Suzco 36 ft 4 wire 4 flat trailer light wiring harness extension kit custom made 28 male 8 female with 4 white ground wire 4 way plug 4 pin male female extension wishbone style sae j1128. 4 6 out of 5 stars 134. Free shipping on your first order shipped by amazon.

The trailer side part pk11409 will be a mirror image of the vehicle side. Free shipping on orders. Curt 58070 vehicle side 4 pin round trailer wiring harness socket.

See the picture to the right for more clarification. Today more than 40 percentage of retail category sales are generated from hopkins innovations. Does your vehicle have a 4 flat trailer wiring harness but you need to tow a trailer with a 7 way harness.