Trailer Plug Wiring Diagram 4 Pin

The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability.

Trailer plug wiring diagram 4 pin. Yellow and green are for left and right turns and braking. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer. 6 way systems round plug.

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 a rule you can find these connectors on the older trailers and older vehicles built in the u s. 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. 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.

This article shows 4 7 pin trailer wiring diagram connector and step how to wire a trailer harness with color code there are some intricacies involved in wiring a trailer. Note that this type of 4 pin connector is less common that 4 pin flat connector. Start by cutting the white wire and attaching it to the trailer frame. Buy a 4 pin wiring kit with wires at least twenty feet in length so it s long enough for your trailer.

I m not able to track down a wiring diagram for your chevy truck. They can be purchased as a standalone plug for the truck or trailer or as a complete loop with both the plug and the socket included. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. 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.

4 5 way flat connector wiring diagrams 4 way and 5 way flat connectors use color coded wires and are available in a variety of lengths. Check with a test light or vom. You will then be able to match them up to the 4 way harness. Installing the 4 pin trailer wires.

Round 1 1 4 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. 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. Trailer wiring diagrams trailer wiring connectors.

If you follow our trailer wiring diagrams you will get it right. Why does 4 pin trailer wiring have 5 wires. Some trailers come with different connectors for cars and some have different wiring styles.