Five hundred feet of round electrical wire with 7 conductor, 14 gauge, perfect for connecting your trailer brakes and lights.

Adapter on the vehicle side with a flat 4 to 7-wire connector, ideal for vehicles equipped with a 4-pin socket managing only lights. On the 7-pin side, you can plug in the trailer connector. To activate the brakes, you have 3 free wires to connect a separately purchased brake controller.