Arrives before Christmas To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
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 - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system.
Features:
Specs:
Installation
This custom-fit T-One connector plugs into your vehicle's wiring harness. The connection point for the ModuLite power module is located behind the interior trim panel in your rear cargo area. The 4-way tow harness plugs in just behind the rear bumper. Once you've made the required connections, insert the included fuse into the in-line fuse holder.
Once installation is complete, the 4-way flat connector will be stowed in an out-of-the-way location within your cargo area.
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. 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
Average Customer Rating: 4.8 out of 5 stars (257 Customer Reviews)
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 - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system.It works!!! I have a 2021 Lexus RX450h F-Sport WITHOUT the tow package (there is a different product if you have the tow pkg). Step 1: If you need help installing a CURT hitch, go to [online] and look at the videos. (I removed the bar and installed *w/o* cutting into my trim by buying some spacers from Metal Masters). Step 2: Connect the grey tip wiring harness underneath the driver's side undercarriage (see photo); I store everything underneath & did not mount. Step 3: Inside the trunk, pull up the cover over the spare; remove the passenger side storage compartment (the carpeted area picks up easily; press the push pin to release the button and pop it out); connect the white 10-pin (see photo); replace everything. Step 3: Open the large fuse box in the engine compartment and put in a 30 amp mini-fuse (see photo). Step 4: Test. Note: I used a probe detector and it does not work on trailers; Instead, connect it to the actual trailer or go to [online] and have it tested. Would have taken me less than 30 min. had I known all this! THANK YOU, ETRAILER!!!
Installation instructions were great and the hitch fits and works perfectly. Additionally, everything is snugged up out of sight and appears to be a factory installation.
James
11/23/2024
Absolutely no issues since installation. Couldn’t be happier.
etrailer is only place I was able to get the information I needed to add towing to my Lexus RX 350. This kit worked perfectly and your installation video was exactly what I needed to instal myself. The kit is plug and play and your video allowed a non-technical person like me to work like a pro. I truly appreciate and value your through product knowledge, it's what sets you apart and why Etrailer is the only place to go to.
Antonio
5/9/2024
Wow a year already, time flies for sure. The product is working perfectly. I am very impressed with it and with e-trailer. Honestly you have the products I need for towing, biking, storage etc. Great product, great service and thank you for following up.
Mike L.
5/23/2024
I recently purchased a hitch and wiring harness for my 2015 Lexus RX350. The hitch came as promised and I installed it in under 2 hours. I could have done it faster, but I just took my time and triple checked everything.
I had planned on installing the wiring harness at the same time, but it seemed to have gotten misplaced during shipping. Late Friday afternoon I sent an email to Customer service asking about the status of the wire harness. They emailed me back within about an hour and told me it had already been shipped and asked if I would double check to make sure it was not just placed in the hitch packaging.
I did another check and responded back that it was not there. They quickly replied back to me that they were sending out another harness. This all happened on a Friday Evening between 6:00 and 9:30 PM.
The next morning, I received confirmation from them with tracking information. The harness arrived the next week as promised.
They were fantastic to deal with it. Many thanks to Paula T in Customer Service.
am enclosing 2 pictures of my T-one wiring harness with 4-pole flat trailer assemblies for your records. This is regarding my order and I was requested by your office for a review and pictures of the installation. All went well, connected right up and as you can see the power cord unit was installed inside right well underneath the cargo holder where there was already the other connector to attach your harness. If there are any questions you can reach me on my e-mail. Thanks for everything.
Product was exactly what I needed to make my towing lights get power. Easy hookup.
Still waiting to take car to Lexus for them to tell me where to connect. My Lexus,22 RX 350 primers does not allow to connect into connector in back trunk area. There is another connector already plugged into it.
Jenny N.
2/22/2024
It is possible that your Lexus has a tow package. Were you able to install the second part of the harness that has the 4 flat connector at the connection point behind the bumper? If not, please go ahead and then test the 4 flat for the signals. You can do that using a circuit tester or you can plug into a trailer. If it has the tow package then all you will need is the connecter harness that has the 4 flat on it.
Joe L.
2/22/2024
Took the car to Lexus. Knowledgeable guy said 2022 RX 350 comes pre wired for towing. All that should be necesssry is your pigtail that connects under the left rear under the car to the flat 4 wire connector. However this is not the case. Checked fir the fuse under the hood, all good. Checked the fuse under the dash, all good. No power to plug under car. Tech found out there is a converter box inside car under back floor that is in line with power out to the flat connector. Going back tomorrow to hopefully figure things out. Just thought you guys needed to kniw
2016 RX 350. This kit is excellent. Installs easily on the 2016 RX. Remove the trunk cover to expose the spare tire area. Remove the first aid kit (velcro) from the passenger side rear wall. On inside corner cover, pry up the center of black plastic fastener and remove. Reach under the cover with small plier and squeeze hidden second fastener's prongs to pop the cover loose. The white connector for the kit's 10 pin adapter, located in the passenger side rear location will have a black rubber sheath. It is located slightly up and out of sight toward the rear of the vehicle. Secure the adapter to prevent rattling. I used the tab with hole on the adapter with a cable tie to an existing sheet metal hole and some duct tape to restrain the wires. The four-way cable connects to an existing grey connector under the driver side rear underside near the bumper. Loosen the locking tab with a small screwdriver and remove the connector cover. Connect the cable and use cable ties to strain relieve the harness at your desired location.
It took an hour to install this item, not complaining since I tend to move slower than most shade tree mechanics. It was fairly simple to do and it works just as advertised. Would recommend this product to others for sure.
Just remove the aft plastic, pull up the side covering and you will see the connector right there. I went ahead and secured the device using a sheet metal screw in a bracket that I drilled under the floor by the side container. See pics.
Did not need the trailer hitch wiring as this came with the Curt hitch. I now have a spare if needed.
I’m not sure this is the correct harness for my vehicle. I cannot find definitive information about installation
Brooke M.
2/16/2024
It looks like this is a fit for your 2022 Lexus RX 350 if you dont have the factory tow package. If you do, then you would need part # 118252.
Both hitch and wiring went on flawlessly. However the right angle adapter to hitch frame assembly is difficult to install in the socket, likely will leave it in place due to difficulty locking in place.
Very informative video to help identify what parts I need. Parts installed as advertised and trailer lights work great!
Hitch was super easy to install, wiring was easy to install, the plastic cover on my Lexus needed more modifications then the video suggested. I was able to do but, was not expecting it.
Excellent prompt personal service.
Website made it easy to select the correct components for my particular SUV.
Was kept informed throughout the delivery process, I knew exactly where my package was and when it would arrive.
Would certainly recommend using etrailer - a great and professional service.
Fitting the wiring was a breeze, once the appropriate socket for the trailer module was located (hiding behind the rear R/H side fascia panel)
The harness was well built and super easy to install
Super easy to install, video was very helpful. Will be ordering again from eTrailer. Live CSR call was great, they want to make sure everything is correct for your vehicle the first time. Great experience!!!
Great products, just plug and play
Where my finger is point is where the connector is at. I just zipped tied this as you can see. Works awesome
Super fast shipping. Great quality. Kept me informed from order to delivery. Will use again for my trailer needs. Good people and easy to work with.
Great quality and easy installation.
Plug n Play. Easy Peasy! It makes you wonder if that's all there is to it. I mounted the module using EZ-Pass type Velcro. I'm not real hip on drilling holes into my car.
I've never met Justin B. in person but Im pretty sure that he has big hair and wears leather pants because he's definitely a Rock Star!
He was very helpful in processing a return as well as expediting the shipping of a previous order I had placed.
This was the missing piece!
I had a towing hitch mounted on my 2015 Lexus RX 350 by the Lexus dealer. I tried to hook up my trailer and noticed the lights did not work. When I returned to the Lexus dealer they informed me that since I did not have the pre-towing package installed on my car that the lights would not work. I asked them what it would take to install the pre-towing package and they said that couldn't install one on my vehicle. After some google searching I came across this package at etrailer.com. It arrived quickly. I installed it today. If I had known what I was looking for it would have taken me about 10 minutes total to install. As it was it took me 15 minutes. I also had to go get a test light for a 4-pin connector since I only had a 7-pin connector test light. The hardest part of the whole installation was finding the plug to plug in the converter box. It is tucked up under the rear deck plate under the passenger taillight side. I used a mirror and flashlight to find it but realized that one I knew where it was I could feel it and pull it down just enough to plug the converter box into. A couple of tie wraps later, voila! It works. Thank you etrailer.com for your product and videos. I would have taken pictures but it was starting to rain and I wanted to close it up quickly.
Kenneth
9/8/2019
No issues a year later. Still is working great!
I was very concerned that my RX450h didn't have the needed plug in positions. They were there and this was the easiest install I've made in a long time. The module connects to a position which is just below and inside the compartment described below the right rear brake light. I wasn't sure where to find the connector from the installation materials (they always need work but an arrow would have saved me some concern) but all worked out just fine. The self adhesive keeps everything in place and leaves another rattle for another day. The trailer cable plugged in as described. All went well. I found that installing that cable was easiest when completing the trailer hitch install (before covering up). Then the spare fuse... I thought I needed to install in fuse box somewhere... nope. System just worked first time. I'm happy and project complete.
Doug F.
8/5/2015
Still happy. Just works. Ive had zero issues.
Doug F.
8/7/2015
Still happy with choice. Ive suggested same to other Lexus owners who askedabout my overall trailer install experience. Well done!
This product worked as described. My car now has a hitch with lights.
Fantastic service. Item purchased was exactly what I needed. Cost was 1/4 of what my car dealer would charge. Totally pleased with this company.
Don
6/10/2023
Wiring harness continues to work flawlessly. Glad I found this item saved money and does the job just fine.
Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Mischa
12/3/2023
Love it! Works like a dream!