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Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. Powered ModuLite reduces strain on wiring system.
Features:
Specs:
Installation
This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located behind the driver's-side and passenger's-side tail lights. You will have to remove the tail light assemblies to access this harness.
Once you've plugged in the T-connector, run the hot lead up to your car battery. Connect the lead to the included fuse holder, and then connect the fuse holder to the positive terminal on your battery and insert the provided fuse.
Once installation is complete, the 4-way flat connector will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket (sold separately) is recommended to keep the connector secure.
It is recommended that you use a small amount of grease on all electrical connections - the plugs on your automobile and the 4-pole connector itself - to help prevent corrosion.
A ModuLite power module is built into this T-One connector. Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.
With a ModuLite, your trailer's lights will be powered without overloading your vehicle's electrical system. Because the module draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.
California residents: click here
Tight fit behind the lighting assembly. Someone should note "exactly" where to route the wires as there are two choices down in the body panels. One leaves the wires too short, one is just right.......
I routed wires twice....
no big deal.
Everything arrived quickly. Installed the hitch in about 45 minutes by myself using some blocking to support one end. The wiring took another an hour but was very straight forward. Very satisfied with the service and items.
Ordered for a 2011 kia sorento, overall easy install, but a bit time consuming. Control box was a tight squeeze to fit in the space and running a power line to the battery was a task. But in the end it makes for a very solid and clean install. Probably took about an hour and a half to run all the cables.
T-One connectorThe T connector works as described, but I found that the wiring harness for the passenger side lamp was too short. I had to add approximately 6" of wire to get it reach. Overall its a good kit and it does what it says.
The harness was simple in nature to install. The hardest part was fishing the wires behind the bumper and running the negative to the front of the truck. It took over an hour to do bc of tight spaces and trying to figure out where to run everything. I could probably cut 30 mins off if I had to do it again.
i ordered parts for my parents that needed them for the car to tow a trailer to florida. they were ready to go when they found out the wiring harness had a problem, the parts arrived as ordered and very fast and allowed them to be on there way. price with next day air was still very reasonable thankyou
Very easy to install once you figure out how to run the power to the battery. Other than that everything went well. I ended up following the brake lines from the rear to the under the hood area. Get a lot of zip ties to make sure everything stays snug.
Prompt order processing and delivery. Product easy to install (2011 Kia Sorento). Saved about $450.00 from what the dealer quoted by installing the hitch and wiring harness ourselves. Install videos were a great help. Thanks etrailer!!
I can't believe how easy etrailer makes the installation of the products. I love the videos that show you how to install the product on your vehicle. Very easy to install both the hitch and wiring. Product shipped on time. I even received an email at 1:00 am saying the product had shipped, which was only a couple hours after I ordered it. I would definitely order from this company again. Right prices and awesome service. Great Job guys.
Installation of hitch and full wiring harness went smoothly. No issues that others had mentioned, didn't have to drill out frame or cut away at center of bumper. Also, had plenty of wire, didn't have to splice any additional...trick was to hug the inside of bumper. Watching videos helped to simplify the installation, along with a little patience. Toughest part was to fish the wiring up through the passenger side tail light opening, bent coat hanger worked well. Would strongly recommend etrailer, price was reasonable and installation straightforward.
Perfect fit! I just installed today and working so far. I say that because I had installed a curt harness and only lasted a month. Unfortunately I purchased it on ebay and didn't bother trying to contact them. I'm trusting you that if I have problems I can call. Thanks for quick delivery!!
This installation went mostly okay. Everything plugged into place as described. I agree with some other comments on this forum that if you follow the installation instructions exactly, there isn't enough wire to reach the passenger side lights. I ended up running mine right behind the bumper hugging the rear door seal. That made it work out just right.
The real bear of the installation was running the power supply up to the battery. I had trouble with this and am not 100% satisfied that it looks professional. That one part took 70% of the time to install.
I did not have enough wire to connect to the passenger side tail light without more disassembly of my new vehicle than I really wanted to perform. l-added jumper inline with the wiring-potential ground point. Also, in order to allow more room for the installation I made up the butt connector for the battery positive wire before mounting the harness behind the driver's side tail light. Running to the battery was fine, not professional by any means but should work. Maybe some mounts and adhesive would help to make it more professional. Works as described.
The hitch installed in about half an hour on a hydraulic lift. There is a good inch between the hitch and the muffler.
The wiring took over two hours hiding all the wires. It could be done in less than an hour if i had to do it again.

Pats
2/16/2015
what model hitch do you go with? what wiring kit did you use?

A year ago we purchased a hitch from etrailer, and also a curt wiring harness. After the curt harness failed, and etrailer sent me another one which ultimately failed (both times the right brake signal light stuck on, and would wigwag flash against the left when the left signal was used), I decided that maybe a different brand harness would be a wiser choice, but winter came and I didn't need it as we'd missed the camping season. I recently ordered this T-One unit, and found it to be much bulkier than the curt unit, but the circuit was split differently, and it felt all around much sturdier. It works great, and I look forward to hopefully getting many years of use out of it. It will be nice being able to go camping this year as a family. So looking forward to it, and the service that etrailer has provided has been second to none as always, and if you own a Kia Sorento, I would recommend the T-One unit.
Very easy to install.
Thanks etrailer for prompt efficient service. The installation videos are helpful for a quick, problem free install. Great products, delivery and price. Will definitely purchase from etrailer again.
Thanks Shawn
This product was a replacement for the second Curt wiring harness I had on my 2012 Kia Sorento EX. Both of the Curt wiring harnesses just simply failed over time, even with being used hardly at all. Based on other reviews on this Tekonsha product I have high hopes that this is the last wiring harness I will need to install. The Tekonsha power module is definitely much thicker and is located in a better place in the taillight than the Curt power module. I set it all up and tested the 4 flat, everything worked great! Easy install, especially when you have done it twice before!

Randall W.
5/28/2018
Product is working fine! No issues.
Watch the etrailer video on how to install this project. It made it so easy. Getting the wiring over the bumper was tricky, but I used some string, a small hose, a piece of stiff wire and my granddaughter to get it done. We installed this and the receiver hitch from etrailer and now she is setup to pull her jet ski.

Victor
4/23/2022
There has been no issues with the wiring kit or the receiver hitch and my granddaughter is still pulling her and her sister’s jet ski around.
The trailer hitch & ball fit perfectly but unfortunately the wiring harness for the lights on the trailer is the wrong one, I now have to take car to trailer sales company to get wired , I don't know what that will cost but I have no choice, this trailer hitch starting with [online] & now with the wiring problem with etrailer has been one cluster mess from the beginning & I am not done yet

Jenny N.
7/14/2022
This harness is a fit for the 2012 Kia Sorenta SX V6 without the factory tow package. I see that you have the 2012 Kia Sorento SX V6 with the factory package and the harness for it would be part # 118269.
Good communication with tracking number, item arrived 1 day earlier and I will install it today. So far very please.
Received my hitch for my 2013 Kia Sorento in about three days after placing my order. Everything was there and in good shape. The delivery company did a job on the box but the merchandize was fine.
Only question is the instructions for the $72.00 wiring harness were a little shy on instructions but I think I can figure them out. Would be nice to see more info in the installation of the wiring harness.
Your employee Gail was very helpful and efficient and I will give your company a 9 our of 10. Keep up the good work.

Patrick B.
9/10/2013
How about a video? http:/www.etrailer.com/tv-install-trailer-wiring-2011-kia-sorento-118506.aspx
Prroduct arrived within a week. The installation videos were a tremendous help. I installed the hitch myself and use 2 hydraulic bottle jacks to raise the hitch, which is quite heavy, into position until I was able to thread a bolt in on each end. After getting the unit suspended on 2 bolts, I was able to center the hitch side to side, install
the last 2 bolts and use the jacks to raise the hitch firmly to the car frame so I could snug the boltsup. I used a short piece of 2x4 to wedge between the muffler and auto frame to give room to get a socket wrench on the last bolt to tighten it. The muffler only needed to be shoved out of the way slightly. No need to remove ot from its hangers. It would be easier to install with a helper but not difficult by myself. No need to cut bumper. Wiring was a challeng only because of difficulty of getting it threaded up the passenger side fender. You need a skinny flexible length of whatever u have to push down thru the fender till it exits below. Then tape your wire harness to it and wrestle it up to the light. I chose to route the power cable thru the car interior and that was a chore. Easier to route under car but more exposed to elements and damage. I found one wire under the dash that penetrated the firewall and was able to punch the power line thru its rubber boot seal with an awl that got the power cable into the engine compartment. The connection to the batter was easy. I recommend this hitch for the DIYer.
I got it hooked up using the instructions provided in about 3 hours. The instructions had an error stating there is a red wire coming from the module that you are supposed to hook up to the black wire to the battery, but it is a black wire. It works well. As others have stated, remove the spare tire beforehand.

J
5/4/2018
Had it for a year now works great, never had any trouble with it.
Item arrived in 4 days. All parts fit as advertised. Hardest part of installation was routing wires through the chasis, as there are some tight spots around the tail lights. While the installation video was helpful, I think some more video under the car for routing the wires would have been helpful. Installation took about two hours because of some trial and error. Overall it was not too hard of an installation. Dealer wanted $575 to install wiring and hitch on my 2012 Sorento. By installing myself, the cost was roughly $240 for the hitch and wiring assembly. The cost difference will pay for the utility trailer I have been looking to buy. Thanks etrailer for a good experience.
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Anthony H.
9/28/2013
I had the same problem with the Curt harness. The first one was messed up the second day on the job, and now the second one is bad two months down the line, and I havent even had the trailer connected to it. Im taking the trailer across country in two weeks. Im going to junk the the Curt module, and buy this one. E-trailer has been great, they sent the replacement right away after the first, but Ive had enough, no more Curt products for me. Im not going to try for a 3rd strike. Especially when I know the problem isnt a result of the trailer. The curt modules just dont do it, and even despite the excellent service from E-trailer, I really dont want to have to keep crawling under my Sorento to remove the box every six months!