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Trailer Wiring Harness Installation - 2011 Nissan Frontier

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How to Install a Trailer Wiring Harness on a 2011 Nissan Frontier

Today on our 2011 Nissan Frontier we're going to be installing the Tow Ready Replacement OEM Tow Package Wiring Harness. This is a seven-way plug, part number is 118267. This is a really simple, easy to do installation. As you can see mounted underneath the rear of the vehicle we're going to have a black plug and a gray plug. Typically they're going to have a little cap in them. For some reason those we're already removed. You just have to pull out the cap by pressing in on the tab located on each one and then just sliding it out. Once we have those out we'll just take our color-coded connectors and slide them right in being sure that we squeeze them all the way together and we hear a click.

We'll do that. The gray one is going to go to the gray side, the black's going to go to the black side. Then we'll have our connector, that nice wire loom hanging down there and we'll move on to our next step. Now we're going to install our seven-way plug it. It's going to go right here in the Tow Ready long bracket that we're using. That's going to include your bracket to mount to the hitch and the hose clamp.

That part number is 18136. We're using this universal seven-way plug. It's going to include the hardware we need to attach it. You can see this is just going to be a slotted screw and then lock and nut. We'll just put the four of these in place and we can just use a wrench to tighten those down to the bracket. Then we'll just take the plug in that we attached to the connectors on our truck firmly into the back of that seven-way. Then slide our gray tab in and we'll just give it a pull and make sure it's connected properly. Any excess like we've got here we're just going to take a zip tie, sit right on top of our hitch there without a problem.

Now we're going to run through and test just to make everything is working as it should. When we initially plug it in we should see our brake current or our constant power. We should see that jump up. Yeah, perfect. We're getting a good reading there. We've got our running lights on, working fine.

Left turn signal is working fine. Our right turn signal is working fine. Brake lights, come on without issue, we've got a constant steady signal and then we'll just flip our switch here to test power to the back and brake circuits working as well. With everything working as it should that will complete today's installation of the Tow Ready OEM Replacement Wiring Harness, part number 118267 on our 2011 Nissan Frontier. .

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Info for this part was:

Employee Lindsey S
Written by:
Lindsey S
Employee Leah B
Edited By:
Leah B

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