4 pin trailer wiring diagram 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.
4 Prong Trailer Wiring Harness Diagram Diagram Base Website
Trailer wiring diagrams 4 pin. 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. The ground wire should be run from the frame of the. 4 way trailer connectors are. 4 pin trailer wiring diagram this type of connector is normally found on utvs atvs and trailers that do not have their own braking system. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. 4 pin trailer light wiring diagram.
With this system you have four wires that work together with the vehicles electrical system via a. With a converter you can send signals for stop turn and trail. 4 pin connectors are the standard used for most trailers. Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. As the name implies they use four wires to carry out the vital lighting functions. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability.
1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. The four wires control the turn signals brake lights and taillights or running lights. The circuits are for left and right brake lights and running lights. The red and blue wire can be used for brake control or auxiliary. Many trailers have three circuits. They also provide a wire for a ground connection.
Traditional trailer with brakes use a 5 pin connector. Can also be used as custom wiring on trailers with 3 lightwire systems. Four pin trailer wiring install wiring diagram info three wire system. Use on a small motorcycle trailer snowmobile trailer or utility trailer. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. The system is present on many.
Note that this type of 4 pin connector is less common that 4 pin flat connector. Three wires are for the trailer while the last wire is the ground wire. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. As a rule you can find these connectors on the older trailers and older vehicles built in the us. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.
Gallery of Trailer Wiring Diagrams 4 Pin
