Trailer Plug Wiring Diagram 4 Pin Youtube

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.

Trailer plug wiring diagram 4 pin youtube. Make sure that all cables are electrically conductive. Trailer electrical connectors come in a variety of shapes and sizes. Traditional trailer with brakes use a 5 pin connector. The first thing you need to do is make sure that your connector works properly.

Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. 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. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above.

Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. Utility trailer 03 4 pin trailer wiring and diagram duration. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights.

Following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing. 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. One way to check for faulty wires is to use a circuit tester.