The red and blue wire can be used for brake control or auxiliary. 4 pin trailer wiring diagram.
Led Atv Wiring Diagram H1 Wiring Diagram
Trailer light wiring diagram 4 pin. To connect the electric system of your trailer to the vehicle you will be using special connector. The four wires control the turn signals brake lights and taillights or running lights. Below is the generic schematic of how the wiring goes. Many trailers have three circuits. Above we have describes the main types of trailer wiring diagrams. Use on a small motorcycle trailer snowmobile trailer or utility trailer.
As the name implies they use four wires to carry out the vital lighting functions. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. If it is not no amount of wiring will get the lights to work. 4 pin connectors are the standard used for most trailers. The ground wire should be run from the frame of the. Three wires are for the trailer while the last wire is the ground wire.
Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer. Make sure that all cables are electrically conductive. Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer. One way to check for faulty wires is to use a circuit tester. Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. A custom wiring harness or t connector is a vehicle specific harness that plugs in without any spicing required and provides a standard connector output such as a 4 way flat.
Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. The first thing you need to do is make sure that your connector works properly. 4 pin trailer light wiring diagram. 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. Wiring new 3 wire light on trailer to replace 2 wire light trailer wiring harness recommendation for a 2007 chevy colorado wiring instructions for optronics 4 12 inch round trailer stop turn and tail light st40rb. Can also be used as custom wiring on trailers with 3 lightwire systems.
4 way trailer connectors are. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. They also provide a wire for a ground connection. The circuits are for left and right brake lights and running lights. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.
The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability.
Gallery of Trailer Light Wiring Diagram 4 Pin
