4 Flat Trailer Wiring Diagram. With this kind of an illustrative guidebook you will have the ability to troubleshoot stop and complete your assignments without difficulty. 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. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.
In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. If it is not no amount of wiring will get the lights to work. The first thing you need to do is make sure that your connector works properly. 4 way flat molded connectors allow basic hookup for three lighting functions.
4 flat trailer wiring diagram.
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. 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. Make sure that all cables are electrically conductive.