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Tail Light Wiring Harness (07-18 Jeep Wrangler JK)

Item J113802
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      Review & Installation Video

      The tail light wiring harness is for those of you that have a 2007 to 2018 JK that need to replace the factory tail light wiring harness because there is a short, maybe yours has been cut up, for some reason it's just not working properly. Maybe somebody had installed a set of LED tail lights and hacked up that harness. Whatever the case may be, if you're looking for a factory style replacement, this is going to be a great choice at a lower price than going directly to the dealership. This is a very, very simple one out of three wrench installation, and I'm going to show you how to do it in just a second.So, as I said, not a whole lot of interesting things to say about this tail light wiring harness. It is, for all intents and purposes, a factory tail light wiring harness. It is going to give you everything, from the female side of the connector here that goes directly into the factory connector. It also has the plastic clip that holds the connector onto the body of the tail light, and of course, both sockets, one for your turn, stop, and tail light, and the other for the reverse light, so everything you need to refresh the wiring harness, from the factory wiring harness connector to the sockets.So, if you do have any corrosion, if you have anything that's cut, broken, bent, not working properly, this is going to solve all of those issues for you. This is going to be very inexpensive, coming in at right around $20, which, again, I think is a very fair price, especially when you consider going directly to a dealership for a part like this.So, very, very simple installation. Let me show you how to do it.For this installation, we used a #2 Phillips bit on a 3/8 impact, but you could just use a regular old Phillips head screwdriver. And we also used a flat head screwdriver, but you could use a trim removal tool as well, just to pry off the plastic clips.So, the first step in this very easy installation is removing the tail light from the Jeep. This is done by removing the two inner screws. So, if we were working on the driver side, that would be the screws closest to the spare tire. These outer screws are just there to separate the two halves of the tail light housing itself, but we're going to be removing the two inner ones to get the whole tail light housing removed from the Jeep.Once you have the tail light removed from the Jeep, you'll have access to the connector here. So, we'll go ahead and just pinch that, which will allow us to release the whole tail light from the rest of the harness.So, now we can go ahead and remove the factory harness from the tail light in order to pop the new one into place. Now, the factory connector is connected to the body of the tail light itself with one of those Christmas tree style clips here. You can remove the connector from the clip without taking the clip out of the tail light. If your clip's in good shape, you can go ahead and reuse the factory one, even with your new harness. That's what we're going to do here. So, just by giving it a little bit of a push, we can remove the connector, and the clip stays in place. If your clip is missing or not in good condition, you'll go ahead and use the new one that's included with your new harness. Once we have the connector disconnected there, you're going to give the sockets a quarter turn, and then they will release from the rest of the tail light housing.So, the next step is going to be removing your bulbs from your sockets, and these are just going to pull out. You do want to be careful because the glass is pretty thin, but really, just give them a pull. No twisting, or prying, or anything like that necessary, and they'll remove pretty easily. Then we can set the old harness aside.Now, with the new harness here, you're going to go ahead and pop your bulbs into place. Now, one thing to note is which socket does the tail light, the turn signal, and the brake light, and which does the reverse light. So, we can take a look at our old socket here. The white wire with the green tracer, that is going to be the socket down here. That is going to be the reverse light. So, as you can see right here, white wire, green tracer, that's our reverse light. We'll pop that bulb back into there, pop the other bulb into the other socket, and then we can replace them in the housing in the same way that we removed them. So, we'll get them lined up in here. Once they're lined up, you can just give them a quarter turn to lock them in place.The last step in preparing the tail light for reinstallation is attaching your connector back to the body of the tail light itself. As I noted before, we're going to be using the factory little plastic clip there, so we'll remove the one that comes with your new tail light wiring harness off of the harness itself. Use our screwdriver to help us pry that off, and then we can just slide the connector onto the plastic clip that holds it in place. And then, we're done. We can go ahead and pop the tail light back on the Jeep.Now, we'll replace the tail light in the same way that we removed it. First, plug the factory wiring harness into the tail light itself. Set the tail light in the body of the Jeep like so. Then, we'll get our screws started before we drive them home.So, if you are looking for a new tail light wiring harness, I would definitely recommend this choice, and you can find it right here at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Nondirectional Tail Light Wiring Harness
      • Spruce Up Your Inner Truck
      • Metal, Plastic & Rubber Components
      • Black & Gray Color
      • Nine Inches x 3.5 Inches x 2 Inches
      • Uses Existing Hardware
      • Limited Warranty
      • Fits All Models of 2007-2018 Wrangler JK


      Sprucing Up Your Truck. Bulbs, hoses, retainer clips. All these are components of a tail light wiring harness, and all are subject to wear and tear, especially under the unkind conditions of the off-road trail. In the same way, you wouldn't paint the walls and replace the carpets in your house without freshening up your curtains, you would not want to go to the effort and expense of restoring your 2007-2008 Wrangler JK without replacing your sad, old, stock tail light wiring harness with a new one.

      Precision Construction. This Tail Light Wiring Harness is manufactured using high-quality rubber, metal, and plastic. The product looks better and performs better than a battered old stock harness.

      Warranty.This Tail Light Wiring Harness comes with a 12-month or 12,000-mile warranty, whichever comes first. Warranty applies to the original retail purchaser for as long as he/she owns the component.

      Application. This Tail Light Wiring Harness has been developed to fit all models of 2007-2018 Wrangler JK.

      Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

      MPN# 68004166AA

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (10)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 10 customers

      Installation Time: Less than 1 Hour

      • July 13, 2019

        5 2014 Wrangler - Ryan Installation Time: Less than 1 Hour


        This was super easy to install. It took me maybe 5 minutes to, if that. Really easy, really fast, and they work great.

        Helpful (0)
      • March 12, 2019

        5 2007 Wrangler - Julian Installation Time: Less than 1 Hour

        Fixed the short

        Easy and quick install, works properly and cheaper than the $80 USD OE part.

        Helpful (0)
      • February 10, 2019

        5 2014 Wrangler - SladeB Installation Time: Less than 1 Hour

        Fixed my flashing/dimming issue with tailights

        Pretty self explanatory. Had an issue with dimming/flashing tail lights. After troubleshooting the problem by replacing bulbs and a blinker Christmas tree, this finally fixed the issue.

        Helpful (2)
      • February 03, 2019

        5 2010 Wrangler - switt42 Installation Time: Less than 1 Hour


        I finally ordered this harness to fix a short in my signal light. It works great.

        Helpful (3)
      • January 31, 2019

        5 2013 Wrangler - BobB Installation Time: Less than 1 Hour

        Tail Light Wiring Harness Replacement

        I bought a Crown Automotive Tail Light Wiring Harness at Extreme Terrain. It took little effort and less than 15 minutes to make the harness exchange and it worked perfectly. Delivery was timely to my schedule. The entire process flowed flawlessly.

        Helpful (1)
      • January 03, 2019

        5 2008 Wrangler - BradF Installation Time: Less than 1 Hour

        Problem fixed

        Extremely easy to install, eliminated tail lights from burning out

        Helpful (4)
      • November 26, 2018

        5 2011 Wrangler - m2 Installation Time: Less than 1 Hour

        easy replacement

        Great replacement product. Simple to do, I let my daughter do it.

        Helpful (9)
      • November 01, 2018

        1 2007 Wrangler - EricH Installation Time: Less than 1 Hour

        Product didn't work

        Product didn't work had to add my own ground to get it to work. No time to call and send back and go through all that so I just improvised, live in MA tail light out is a sure thing to get pulled over. Not extreme terrain problem i'm sure they would have corrected it if I called them. Don't want to bash them i'm sure it was just faulty product.

        Helpful (10)
      • September 22, 2018

        5 2009 Wrangler - ScottM Installation Time: Less than 1 Hour

        Tail Light Wiring Harness

        Easy to install and fixed my problem. I went ahead replaced both sides for the price.

        Helpful (10)
      • January 16, 2018

        5 2013 Wrangler - ErichA Installation Time: Less than 1 Hour

        Finally Fixed My Tail Light

        After buying new bulbs and having them work for two days, I decided something was wrong with the tail light wiring harness on my 2013 Jeep Wrangler Sahara. After receiving the part, I installed it in less than 10 minutes in sub-zero temperatures in the dark. Sure enough, I try my turn signal and it works. The fit and finish is perfect and I would recommend this product to anyone whose tail light isn't working even after putting new bulbs in the housing.

        Helpful (15)

      Questions & Answers (1 answers)

      1 Top Rated Question

      This does not make sense in anyway looking at my 2013 JK 4 dr taillight assembly. When I remove the tail light I have 2 (two) plugs not one! One plug for the brake light turn signal, one plug for the back up light. Where are these single plug setups coming from? I’d like to order new tail lights, the website says they will fit my Jeep, but then the new taillights only have ONE plug. What do I need to go from two factory plugs down to a single plug to be able actually install new taillights?

      • This does not plug into the light socket plugs, but rather the harness plug, further back on your harness.

      Helpful (0)
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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Tail Light Wiring Harness
      • Installation Hardware
      • Installation Instructions

      Tech Specs

      Will It Fit My Wrangler

      • JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18

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