Color Code Flat 4 Pin Trailer Wiring Diagram. Utility trailer 03 4 pin trailer wiring and diagram duration. From 4 pin flat to 7 way round connectors. Red black and blue are the three big wires then ther are five other i want to hook up a flat 4 prong hook up to my trailer which wires do i use my trailer connecter has four colors green brown white and yellow what goes where.
If it is not no amount of wiring will get the lights to work. 4 wires will give these functions so the simplest scheme is a 4 pin connector. Which pin of a trailer 7 way is the ground circuit. Green right turn brakes yellow left turn brakes brown taillights º white ground.
One way to check for faulty wires is to use a circuit tester.
While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. I hope it helps you. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Standard color code for wiring simple 4 wire trailer lighting.