Trailer wiring can be a bit complicated, especially if you don’t know where to start. But with a little knowledge, you can easily wire your trailer and get it ready for towing. In this article, we’ll be discussing the 5 wire trailer plug wiring diagram. We’ll be covering what it is, how it works, FAQs, and much more. So, let’s get started!
What is a 5 Wire Trailer Plug?
A 5 wire trailer plug is an electrical connector that is used to connect the wiring from the trailer to the vehicle towing it. It is also known as a round 5 pin trailer connector. The plug contains five pins that are wired to different functions on the trailer – these pins are arranged in a circle.
How Does a 5 Wire Trailer Plug Work?
The 5 wire trailer plug works by connecting the wiring from the trailer to the vehicle. Each of the five pins on the plug is connected to different functions on the trailer. When the plug is connected to the vehicle’s socket, it allows electricity to flow from the vehicle’s battery to the trailer’s lights and brakes.
What are the 5 Wires on a Trailer Plug?
The five wires on a trailer plug are:1. White wire: This wire is for the ground connection. It provides a path for electricity to flow back to the vehicle’s battery.2. Brown wire: This wire is for the running lights. It supplies power to the tail lights, license plate lights, and clearance lights.3. Yellow wire: This wire is for the left turn signal and brake light. It supplies power to the left turn signal and brake light on the trailer.4. Green wire: This wire is for the right turn signal and brake light. It supplies power to the right turn signal and brake light on the trailer.5. Blue wire: This wire is for the electric brakes. It supplies power to the electric brakes on the trailer when the brake pedal is pressed in the vehicle.
5 Wire Trailer Plug Wiring Diagram
Here is a diagram that shows how to wire a 5 wire trailer plug:
| Wire Color | Function |
|---|---|
| White | Ground |
| Brown | Running Lights |
| Yellow | Left Turn Signal & Brake Light |
| Green | Right Turn Signal & Brake Light |
| Blue | Electric Brakes |
Step-by-Step Guide to Wiring a 5 Wire Trailer Plug
Here are the steps to wire a 5 wire trailer plug:1. Connect the white wire to the ground pin on the plug.2. Connect the brown wire to the running lights pin on the plug.3. Connect the yellow wire to the left turn signal and brake light pin on the plug.4. Connect the green wire to the right turn signal and brake light pin on the plug.5. Connect the blue wire to the electric brakes pin on the plug.
FAQs
1. Can you use a 5 wire trailer plug on a 4 wire trailer?
Yes, you can use a 5 wire trailer plug on a 4 wire trailer. You will need to cap off the blue wire as it is not used on a 4 wire trailer.
2. What is the difference between a 4 wire and 5 wire trailer plug?
A 4 wire trailer plug has four pins that are wired for ground, running lights, left turn signal, and right turn signal. A 5 wire trailer plug has five pins that are wired for ground, running lights, left turn signal and brake light, right turn signal and brake light, and electric brakes.
3. Can you convert a 4 wire trailer to a 5 wire trailer?
Yes, you can convert a 4 wire trailer to a 5 wire trailer. You will need to add a blue wire for the electric brakes.
4. How do you test a 5 wire trailer plug?
To test a 5 wire trailer plug, you will need a tester tool. Connect the tester to the vehicle’s socket and test each function of the trailer plug. The tester will light up to indicate that the function is working properly.
5. Can you use a 5 wire trailer plug on a 7 wire trailer?
No, you cannot use a 5 wire trailer plug on a 7 wire trailer. You will need to use a 7 wire trailer plug for a 7 wire trailer.
Conclusion
In conclusion, wiring a 5 wire trailer plug is not as difficult as it may seem. By following the steps outlined in this article and using the wiring diagram provided, you can wire your trailer with ease. It is important to ensure that all connections are secure and that the wiring is done correctly to ensure safe and reliable towing.
