4 Prong Flat Trailer Plug

Join prime to save 1 00 on this item.

4 prong flat trailer plug. Crimp each connector then plug the connector into the tow vehicle. I had no choice but to install the wiring while my boat was on the trailer and having to work underneath my boat made the job a little more difficult but if your trailer is empty installation is much easier. It may transfer electricity better so the connector is suggested for higher level electric in the vehicle.

Tail lights brake lights left right signals. Free shipping on orders over 25 shipped by amazon. You don t know if the wiring is bad or you have bad bulbs.

A 4 way trailer connector has the basic lighting functions only. Installing 4 pin wiring on a trailer is an easy project that takes a few hours or less. A 7 way has these functions and a 12 volt circuit a circuit for electric trailer brakes requires a brake controller in the vehicle and a reverse light or auxiliary power circuit.

You ve connected the trailer to the vehicle but the turn signals and brake lights don t work. This multi function vehicle end connector converts any 4 way flat vehicle end plug to a combination 7 way outlet and 4 pole flat outlet. That is how the 7 pin connector got its name.

Splice the seven pin trailer plug leads to the trailer harness. Test the 4 pin connector on your vehicle. A 7 pin connector is a simple device that has 3 more functions than the 4 pin version.

Cinch each end of the harness with a small zip tie to prevent the tape from unraveling. Wrap the spliced wires in electrical tape and make a wiring harness. The most common 4 wire connector is the 4 pin flat connector as shown here.