Standard 4 Pin Trailer Wiring Diagram

4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.

Standard 4 pin trailer wiring diagram. If you do this connect the blue wire to the reverse lights on the vehicle side then be sure to note what youve done better yet use a purple wire and label it. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. I have had to mess with trailer wiring for years once or twice a year anyway and i just cannot keep the color code right ect whiteground brn running lights grn right turn yellow left turn. The four wires control the turn signals brake lights and taillights or running lights.

If you follow our trailer wiring diagrams you will get it right. Installing the 4 pin trailer wires. 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. Above we have describes the main types of trailer wiring diagrams.

Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. Pins 2 and 5 are not used on our standard range of trailers. Some trailers come with different connectors for cars and some have different wiring styles. 45 unique 4 pin trailer light wiring diagram changing or installing a roomy fixture can be as easy and secure as shifting a bulb if curtains properly.

To connect the electric system of your trailer to the vehicle you will be using special connector. 4 way trailer connectors are. Be careful when using a 5 pin connector. Standard color code for wiring simple 4 wire trailer lighting question.

Please note the 5th pin is not as standard as the first 4. 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. 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.

As the name implies they use four wires to carry out the vital lighting functions. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing. 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 pin trailer wiring diagram. They also provide a wire for a ground connection. The diagram is the new zealand standard for the 7 pin flat trailer plug used on prescott trailers.