Wiring Diagram For 6 Pin Trailer Plug

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When it comes to hauling a trailer, the electrical connection between the vehicle and trailer is just as important as the physical connection. One of the most commonly used types of trailer plugs is the 6 pin trailer plug. In this article, we'll explain what the colors on a 6 pin trailer plug are, as well as the functions of the wires, how to wire a 6 pin trailer plug, the difference between a 6 pin trailer plug and a 7 pin trailer plug, and whether adapters are available for 6 pin trailer plugs.

What Are the Colors of the Wires on a 6 Pin Trailer Plug?

The colors of the wires on a 6 pin trailer plug will vary depending on the manufacturer, but typically you'd expect to find the following colors in the plug: white, black, yellow, red, green, and brown. The white wire is usually the ground wire which is connected to the vehicle's frame, while the black wire is usually the power wire, and the yellow wire is usually the auxiliary wire. The red wire is usually the left turn/brake signal wire, and the green wire is usually the right turn/brake signal wire. Finally, the brown wire is usually the trailer backup wire.

What Are the Functions of the Wires on a 6 Pin Trailer Plug?

The white wire is connected to the frame of the vehicle, while the black wire is the power wire which carries the electrical current from the vehicle to the trailer. The yellow wire is the auxiliary wire, which provides power for the brake lights or reverse lights. The red wire is the left turn/brake signal wire which will be connected to the left turn signal light on the trailer, and the green wire is the right turn/brake signal wire which will be connected to the right turn signal light on the trailer. The brown wire is the trailer backup wire, which will be connected to the trailer’s backup lights.

How Do I Wire a 6 Pin Trailer Plug?

When wiring a 6 pin trailer plug, it's important to make sure that each wire is connected properly and securely. Start by connecting the ground or white wire to the vehicle's frame. Next, connect the power wire or black wire to the battery of the vehicle. Then, connect the yellow wire to the auxiliary power or brake light power. Next, connect the red and green wires to the correct left and right turn signal lights on the trailer. Finally, connect the brown wire to the backup light on the trailer.

What is the Difference Between a 6 Pin Trailer Plug and a 7 Pin Trailer Plug?

The main difference between a 6 pin trailer plug and a 7 pin trailer plug is the number of wires. A 6 pin trailer plug has six wires, while a 7 pin trailer plug has seven wires. The extra wire in the 7 pin plug is usually a center pin that is used for Back-up Lights. Additionally, the 6 pin trailer plug uses a flat connector while the 7 pin trailer plug usually utilizes a round connector.

Can I Use a 6 Pin Trailer Plug With a 4 Pin Connector?

No, you cannot use a 6 pin trailer plug with a 4 pin connector. The 6 pin trailer plug requires 6 wires, while the 4 pin connector only has 4 wires. Therefore, they are not compatible.

What is the Purpose of the 6th Pin on a 6 Pin Trailer Plug?

The 6th pin on a 6 pin trailer plug is usually the auxiliary pin, which is used to provide power for items such as the reverse lights or brake lights. This pin can also be used for other accessories such as a 12V accessory outlet.

Are There Adapters Available For a 6 Pin Trailer Plug?

Yes, there are adapters available for a 6 pin trailer plug. These adapters allow you to convert a 6 pin trailer plug to a 7 pin trailer plug, or vice versa. Additionally, some adapters allow you to convert a 6 pin trailer plug to a 4 pin plug.

Can I Convert a 6 Pin Trailer Plug to a 7 Pin Trailer Plug?

Yes, you can convert a 6 pin trailer plug to a 7 pin trailer plug with the use of an adapter. However, keep in mind that the 6 pin trailer plug does not have the center pin present in the 7 pin trailer plug, so you will need to run a separate wire from the trailer to the tow vehicle in order to use the Back-up Lights feature.

Are There Standardized Wiring Diagrams For 6 Pin Trailer Plugs?

Yes, there are standardized wiring diagrams for 6 pin trailer plugs available online. The wiring diagrams will show you how to correctly wire the plug, as well as the colors of the wires. Additionally, the diagrams may include instructions on how to use an adapter to convert a 6 pin trailer plug to a 7 pin trailer plug.

In conclusion, the 6 pin trailer plug is a very common type of trailer plug used for hauling trailers. It has six wires, each with a specific purpose and color. The 6 pin trailer plug is not compatible with a 4 pin connector, but adapters are available to convert a 6 pin trailer plug to a 7 pin trailer plug. Additionally, there are standardized wiring diagrams available for 6 pin trailer plugs.


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