5 Pin Round Trailer Plug Wiring Diagram Gmc Sierra



Do you drive a GMC Sierra? If so, you may need to install new wiring in order to connect the trailer to your truck. Fortunately, wiring a 5 Pin Round Trailer Plug isn’t complicated and this guide will help you get the job done quickly and safely.

The first step of the process is to identify the wiring harness that you’ll need. The 5 Pin Round Trailer Plug has five wires – a green wire, a brown wire, a yellow wire, a blue wire, and a white wire. You can purchase a wiring harness at any auto parts store that will have all five wires pre-cut and labeled for easy installation.

Once you have your wiring harness, you’ll need to attach it to the GMC Sierra. First, you’ll need to locate the truck’s frame rail. This is usually located on the inside of the frame located near the front of the truck. Once you’ve identified the frame rail, you can begin attaching the wiring harness.

The next step is to connect the wires to the corresponding terminals on the trailer plug. You’ll need to identify each wire by its color and then connect it to the corresponding terminal. For example, the green wire should be connected to the ground terminal, the brown wire to the left turn signal terminal, the yellow wire to the right turn signal terminal, the blue wire to the reverse light terminal, and the white wire to the auxiliary power terminal.

Once you’ve connected the wires to the correct terminals, you’ll need to secure the connection. You can do this with electrical tape or heat shrink tubing. Make sure that each wire is firmly secured to the corresponding terminal before you move on to the next step.

Now that you’ve connected the wiring harness, you’re ready to test it out. Start by connecting the trailer plug to the GMC Sierra’s trailer socket. Then, turn on the truck and the trailer and make sure that all of the lights are working properly. If everything works as it should, you can now disconnect the trailer plug from the truck and you’re ready to hit the road!

Installing a 5 Pin Round Trailer Plug Wiring Diagram Gmc Sierra isn’t difficult, but it does require some basic knowledge of wiring. If you’re not comfortable with wiring, you should consider hiring a professional to do the work for you. With the right tools and some patience, you can have your trailer up and running in no time.


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