You must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. The four wires control the turn signals brake lights and taillights or running lights.
Trailer Wiring Kit Diagram Wiring Diagram
Wiring diagram for 4 wire trailer plug. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. 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. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Start by cutting the white wire and attaching it to the trailer frame. As the name implies they use four wires to carry out the vital lighting functions.
They also provide a wire for a ground connection. Yellow and green are for left and right turns and braking. 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 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. 4 way trailer connectors are. The red and blue wire can be used for brake control or auxiliary.
34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. 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. Use on a small motorcycle trailer snowmobile trailer or utility trailer. 6 way system rectangle plug. Installing the 4 pin trailer wires.
Gallery of Wiring Diagram For 4 Wire Trailer Plug
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