Trailer Plug Wiring Diagram 4 Pin Youtube

Make sure that all cables are electrically conductive.

Trailer plug wiring diagram 4 pin youtube. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. 6 way systems round plug. The first thing you need to do is make sure that your connector works properly. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road.

Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Check with a test light or vom. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Trailer electrical connectors come in a variety of shapes and sizes.

The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Traditional trailer with brakes use a 5 pin connector. Round 1 1 4 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer.

How to extend and or replace a trailer 4 pin connector duration. Utility trailer 03 4 pin trailer wiring and diagram duration. If it is not no amount of wiring will get the lights to work. Installing your 4 pin trailer wiring system is easy if you follow the correct procedure.