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4-Way Connector Trailer End 4-Way Connector Vehicle End 4-Way Connector Trailer End 4-Way Connector Vehicle End 5-Way Trailer Connection Same as 4 way system listed above but adds a extra blue wire for brake signal or auxiliary power.

You can remove a burnt out light bulbs by unscrewing the lens cover, which is most times held down by four screws.

Examine the wiring on the trailer side and vehicle side for in-line fuses.

Whether you need to tow something during the week for work or you want to hook up something in order to get away for the day on the.

A poor ground that is strong enough to provide some lighting functions but not all.

This vehicle-to-trailer wiring harness creates a standard trailer wiring connection by plugging into vehicle harness and tail light assembly, and then routing the 4-way harness to the rear end of a vehicle.

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For the ground wire, I had to extend this.

heat the shrink tube The exception is the ground that gets put on the grounding screw.