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Replace the 7-way, RV-style trailer connector on your vehicle with this T-One harness. ModuLite reduces strain on wiring system. Brake controller adapter attaches to included body harness and lets you easily plug in your electric brake controller.
Features:
Specs:
This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located inside your rear cargo area. You will have to remove access panels, storage trays, and some interior paneling to access this harness. Once you've plugged in the T-connector, run the body harness up to your car battery, and route the blue wire up to the grommet that leads into the cargo door. Then connect all of the wires per the included instructions.
Once installation is complete, the 7-way connector will be stowed beneath your vehicle. 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 7-pole connector itself - to help prevent corrosion.
A ModuLite power module is built into this T-One connector. Because most trailers run on a 2-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's 3-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.
This adapter hardwires to the body harness that is included in this kit. Just connect the black wire from the brake controller adapter to your car battery, and connect the white wire to a suitable ground. The remaining wires can then be easily spliced into the body harness with the included butt connectors.
This adapter is designed to plug directly into your electric brake controller. Because the harness does not hardware to your controller, installation is not permanent. You can unplug and remove your brake controller at any time and securely stow it away.
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Average Customer Rating: 4.8 out of 5 stars (34951 Customer Reviews)
Replace the 7-way, RV-style trailer connector on your vehicle with this T-One harness. ModuLite reduces strain on wiring system. Brake controller adapter attaches to included body harness and lets you easily plug in your electric brake controller.This was supposed to be a custom fit for a 2014 Toyota Highlander, however I had to make a number of customizations to make it fit. For example, the length of wires from the 10-pin connector to the grommet was too short and required inserting a 12-18 inch extension (about 4 or 5 wires plus 8 to 10 heat shrink butt connections). The wires from the grommet to the 7-blade plug connection were also too short and required extending all 7 wires about 12 inches (additional 14 heat shrink butt connections required plus a lot of electrical tape to protect it). The grommet was kind of funky - seems like it was installed upside down. I used the old grommet and cut it to allow wires to run through it. The old grommet mounts on the inside versus the outside mount that came with the kit. The length of wire running from the converter box to the battery and brake controller was more than enough. Directions were more of any overview and I had to search for Toyota Service Manual instructions to get specifics for removing trim panels, locating the 10-pin towing connector, and running wires through the firewall (follow the hood release cable that runs between the frame and fender liner). Took longer than expected, but got it to work.
I have received the items I ordered from etrailer and expect to have them installed and used for the first time on 10/21. I can review them after 10/21. I was impressed with how fast my order arrived.
This is a great product. etrailer did the installation. It turned out great. I definitely recommend the product.
I looked at my order status and it said that it wouldn’t be delivered for 2 to 3 months. I called and they fixed my order and found similar products For the same price that could ship immediately. They were great on the phone and my order arrived a day earlier than I was told. Excellent phone customer service and the product arrived undamaged. Thank you very much!
arrived this morning! everything looks to be here. Thanks for shipping so quickly! will let you know how installation goes.
Works
Review from a similar T-One in Custom Fit Vehicle Wiring
Product quality very high, delivery very fast, shipping container (cardboard box) was not strong enough to support handling/shipment, box bottom was ruptured with hitch assembly hanging out, box should be supported stronger, no parts missing, hitch was scratched up somebut, nothing that a little black paint didn't fix. I installed the wiring harness connections and fuse box on the external side of the vehicle to eliminate having to take apart the internal sheet metal panels and providing easy access to the fuse in the event of fuse failure, this eliminates the necessity of interior Panel removal to change a fuse. Easy installation, product has great great design features ,great customer service with prompt delivery. Just ordered the bracket (#18140) to secure the 4 prong plug to the hitch neatly and secure to eliminate the loose plug. (not shown in photos (Bracket in transit),
Anthony J - 09/27/2020Review from a similar T-One in Custom Fit Vehicle Wiring
Just installed Draw Tight hitch, wire assembly along with the brackets for a nice look. Everything went smooth with installation and it has a nice clean look as the hitch is well hidden. This is going to work for our bike rack and the cargo carrier I am now going to by. Now I can also get a small utility trailer to pull and haul stuff. I strongly recommend etrailer for all your needs as they communicated with me the whole way through and readily replaced a lock unit that somehow came without the key. Customer service is top notch.
Scott N - 04/26/2020Review from a similar T-One in Custom Fit Vehicle Wiring
I purchased this for my 2013 Honda Pilot EX-L. I have not used the wiring harness yet, but the installation was extremely easy and quick. The instructions were very straightforward, and I was able to install everything within 30 minutes. Everything you need is inside the package except some bolts/nuts to mount the connector. I decided to cut out a hole and drill some holes for bolts. I opted for some black ones to match the colors. I'm extremely happy with this product and etrailer's fast and reliable service.
Review from a similar T-One in Custom Fit Vehicle Wiring
This is a perfectly tailored product for the do-it-yourselfer who with a little help adds a nice hitch to his vehicle. Getting an older vehicle's OEM installed weld nuts clean takes most of the time followed by installing the two washers and nuts in the fascia area. That part needs patience as the work area is limited. The Curt LED 4-Way Flat Connector (Vehicle End) Tester makes it very simple to verify the Tow Package - 4-Pole Flat Trailer Connector that is a snap to install to the vehicles pre-existing harness. One point to pay attention to in the instructional video is when pulling the square washer and bolt through the channel. They must slide in single file as shown. If you try to pull with the bolt through the washer it will get stuck and you will need to fish it out. So bottom line. Great product. Great support. Steve Stewart
Stephen - 05/07/2020Review from a similar T-One in Custom Fit Vehicle Wiring
Wish I bought etralier's tow harness earlier. Easy installation. Toyota dealership sold me the wrong one and of course waited too long to return. But use some of the parts from that harness on the one from etrailer(see pics). Would order again from etrailer. Thank you
Review from a similar T-One in Custom Fit Vehicle Wiring
Plug & play for 2020 Kia Sorento. Dinged a star because the trailer connector does not fit the extra bracket well. It does not appear to have been designed for a bracket mount. I had to force fit and secure in place with a zip tie.
Review from a similar T-One in Custom Fit Vehicle Wiring
Good product and great service from etrailer! !!!Important note: 2012 Nissan Xterra (depending on what factory it was built) has the 12v power and brake wire REVERSED on the factory installed harness. Meaning when you plug in your trailer, there will be constant power to the brakes on no power to the charge line. If this happens to you like it did to me, you need a tester and a couple butt connectors to make the switch at the 7 pin connector. Also note, these plugs use the trailer for the ground so you're tester wont read if the trailer is not plugged in and you have to hold one of the tester ends to metal on the trailer.
Heather A - 05/12/2021Review from a similar T-One in Custom Fit Vehicle Wiring
Needed a harness for my 2015 Honda Pilot LX and didn’t want to pay a king’s ransom for dealer parts and install. Ordered from etrailer and got a deal. Came with everything I needed and also had excellent, easy to understand instructions. Works perfectly.
Randy B - 06/01/2020Review from a similar T-One in Custom Fit Vehicle Wiring
FITS the new 2020 HIGHLANDER! There is a new connector with the 2020 Highlander redesign under the driver side rear bumper. This cable plugs directly into the Highlander connector. See photo. There is no need to route or run wires for the trailer wiring. You will also need a converter to provide the correct signals to this cable. I recommend using the Toyota Plug-n-play converter part number: PT725-48200. It’s around $60 online. Be aware it is installed behind a panel located next to the driver’s side second row seat. Toyota completely changed the vehicle wiring for the 2020 model year. I also recommend the CURT C99FR hitch. Fits perfectly, easy to install and hides behind the bumper.
Review from a similar T-One in Custom Fit Vehicle Wiring
Instructions provided with adapter are good. My 04 Highlander without tow package had the connector under rear, driver-side cargo tray. Lift the cargo floor, remove the tire-change-tool tray, remove the two plastic nuts on the bottom of the left-side tub, and lift it out. Also under that storage tub is an unused 6mm threaded hole in the body to be used for the ground. Put a fuse in the correct spot of engine compartment fuse block (mine was empty) and good to go. See underside of fuse block lid for tow adapter fuse placement.
Michael A - 01/09/2021Review from a similar T-One in Custom Fit Vehicle Wiring
The hitch is great, but the screws for the electrical connector have rusted.
Tim M - 07/18/2020Review from a similar T-One in Custom Fit Vehicle Wiring
This kit worked great. It took about an hour to install on my 2005 Xterra. The process was just like the video on etrailer.com. The only difference was that I mounted the bracket directly to my bumper instead of the hitch.
Keith - 07/16/2020Review from a similar T-One in Custom Fit Vehicle Wiring
Plug and play! This trailer power cable plugged directly into my factory Cadillac SRX wire harness. No wire cutting and splicing, absolutely the easiest installation I could imagine. Highly recommended for anyone who can use it. See photos showing the purchased product and where it plugged into the factory wiring harness.
Review from a similar T-One in Custom Fit Vehicle Wiring
Jesse at eTrailer help me with configuring my 2009 Honda Pilot to be able to pull legal loads. I had previously installed their 4 pin connector but I want to be able to use trailers with brakes to full extent. I added a Redarc brake controller in a convenient location. Easy to replace the current harness with the 7 way connector. A little more work to pull panels to locate the Redarc control head exactly where i wanted it, but no biggie. As always, great customer service and a great product. Thanks Jesse and all at eTrailer.
Review from a similar T-One in Custom Fit Vehicle Wiring
If it were not for the Great Hitch I bought from you that I installed at a DIY garage I would be Homeless during this PANDEMIC, your Hitch saved me from all kinds of problems Your Product is Great!
Review from a similar T-One in Custom Fit Vehicle Wiring
This is my second hitch I purchased and installed. Both were great and the instructions for installing were spot on. My only complaint is that it is disappointing that the hitches do not have a nice integrated trailer light hook up. It’s a crappy bolt on or zip strip unsturdy light hook up. It doesn’t look nice after installed. And are very flimsy.
Review from a similar T-One in Custom Fit Vehicle Wiring
I was very happy with etrailer.com The items were delivered in 3 days. The wire harness was an easy plug and play. And mounted nicely to the hitch wit items the short mounting bracket and 4-Pole mounting bracket.
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