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. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer.
Trailer Wiring Basics For Towing
Wiring diagram for a 4 wire trailer. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. 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. 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. Start by cutting the white wire and attaching it to the trailer frame. 4 way trailer connectors are. Trailer wiring diagrams trailer wiring connectors.
If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. They also provide a wire for a ground connection. Assortment of 5 wire to 4 wire trailer wiring diagram. Can also be used as custom wiring on trailers with 3 lightwire systems. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. 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.
It shows the components of the circuit as streamlined shapes and the power and signal connections between the devices. Use on a small motorcycle trailer snowmobile trailer or utility trailer. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. The four wires control the turn signals brake lights and taillights or running lights. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. As the name implies they use four wires to carry out the vital lighting functions.
1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. Lets see what types of connectors the trailer light wiring industry uses today. Yellow and green are for left and right turns and braking. A wiring diagram is a streamlined traditional pictorial representation of an electrical circuit. The red and blue wire can be used for brake control or auxiliary. 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.
Installing the 4 pin trailer wires. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.
Gallery of Wiring Diagram For A 4 Wire Trailer
/trailer-wire-colors-589d62645f9b58819cf8721f.gif)
