When it comes to connecting your trailer to your towing vehicle, one of the most important things to consider is the wiring. The 13 pin trailer plug wiring diagram is a common and important topic for anyone who wants to tow a trailer. In this article, we’ll discuss the wiring diagram, how to connect the wiring, and frequently asked questions regarding the 13 pin trailer plug.
What is a 13 Pin Trailer Plug?
A 13 pin trailer plug is a connector that is used for connecting a towing vehicle to a trailer. It is commonly used in Europe and is becoming more popular in the United States. The 13 pin trailer plug has 13 pins that provide power and signal connections between the towing vehicle and the trailer. The pins are arranged in a specific pattern to ensure proper connection.
Pin Configuration in the 13 Pin Trailer Plug
The 13 pin trailer plug consists of 13 pins arranged in a specific pattern. Each pin has a specific function in the wiring. The pin configuration is as follows:
| Pin Number | Function |
|---|---|
| 1 | Reversing Light |
| 2 | Left-hand Indicator |
| 3 | Spare |
| 4 | Right-hand Indicator |
| 5 | Spare |
| 6 | Brake Lights |
| 7 | 12V Permanent Power |
| 8 | Spare |
| 9 | Refrigerator |
| 10 | Auxiliary Power |
| 11 | Earth/ Ground |
| 12 | Spare |
| 13 | Spare |
How to Connect the Wiring
Connecting the wiring of the 13 pin trailer plug is not a difficult task. However, it requires some basic knowledge of electrical connections. Here is a step-by-step guide to help you connect the wiring:
Step 1: Identify the pins in the connector.
Step 2: Cut the wires to the desired length and strip the insulation off the ends.
Step 3: Connect the wires to the pins according to the pin configuration.
Step 4: Secure the wires in the connector and test the connection.
FAQs
Q1. Can I use a 13 pin trailer plug for my trailer if my towing vehicle has a 7 pin connector?
A1. Yes, you can use a 13 pin trailer plug for your trailer if your towing vehicle has a 7 pin connector. You will need to use an adapter to connect the 13 pin plug to the 7 pin connector.
Q2. Which wire is the brake light wire?
A2. The brake light wire is the wire that is connected to pin 6.
Q3. Is it necessary to have a refrigerator wire in the trailer plug?
A3. It is not necessary to have a refrigerator wire in the trailer plug. However, if your trailer has a refrigerator, you will need to connect it to the dedicated refrigerator wire in the trailer plug.
Q4. Can I use the auxiliary power wire to charge the battery in my trailer?
A4. Yes, you can use the auxiliary power wire to charge the battery in your trailer. However, you will need to use a battery charger that is compatible with the voltage and charging specifications of your trailer battery.
Q5. Which wire is the reversing light wire?
A5. The reversing light wire is the wire that is connected to pin 1.
In conclusion, the 13 pin trailer plug wiring diagram is an important aspect of towing a trailer. By following the wiring diagram and connecting the wiring correctly, you can ensure safe and efficient towing. If you have any further questions, feel free to consult a professional or refer to the manufacturer’s instructions. Happy towing!
