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. The first thing you need to do is make sure that your connector works properly.
Standard Color Code For Wiring Simple 4 Wire Trailer Lighting
4 pin trailer hitch wiring diagram. Above we have describes the main types of trailer wiring diagrams. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. They also provide a wire for a ground connection. As the name implies they use four wires to carry out the vital lighting functions. Can also be used as custom wiring on trailers with 3 lightwire systems. The 4 pin standard flat style connector has four contacts with a male pin on the vehicle side for the ground.
Many trailers have three circuits. 4 pin trailer wiring diagram. Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. The red and blue wire can be used for brake control or auxiliary. Use on a small motorcycle trailer snowmobile trailer or utility trailer. If it is not no amount of wiring will get the lights to work.
Make sure that all cables are electrically conductive. 4 way trailer connectors are. 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. 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. To connect the electric system of your trailer to the vehicle you will be using special connector.
The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. The four wires control the turn signals brake lights and taillights or running lights. 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. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. Installing a brake controller on a 2002 dodge ram 1500 equipped with a factory 4 way. One way to check for faulty wires is to use a circuit tester.
So do not run the wire from the bumper or the hitch of the car. Installing a trailer wiring harness on a 2012 ford focus. 4 pin trailer light wiring diagram. Wiring a 5 way trailer connector by color. Can trailer 4 way be ran to trailer with 8 wires for trailer wiring. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer.
4 pin connectors are the standard used for most trailers. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. Below is the generic schematic of how the wiring goes. Replacement 4 pole trailer connector for utility trailer with 5 wire wishbone wiring setup. 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.
