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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 rear threshold plate, privacy screen, storage covers, floor covering, and rear interior trim panels 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 in your rear 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. 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.
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Average Customer Rating: 4.8 out of 5 stars (393 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. Powered ModuLite reduces strain on wiring system.This product does the job. Instructions were clear. Installation video made it look easy. Because of the "tight quarters" behind the 2023 Rav-4 hybrid interior panels, it was not easy. In one video, for instance, the interior panels had been removed entirely, making "reaching in" look easy. (To perform tasks of disconnecting T connectors (at 77 my hand strength suffers) and securing the black box and ground wire.) Also, I spoiled 3 ring terminals, DAH, before watching a "how to" video. This is my 3rd installation over many years. I am happy with this product and it worked on first try.
From ordering to installation of the parts, was very easy to do.
Hitch and lighting kit installed fine, but the videos didn’t mention differences in the 2019 RAV 4 Hybrid from the non-hybrid. I wanted to let you know about those.
HITCH
Not sure if this is solely a hybrid issue, but there was what was either a shipping tie-down or tow point bracket that required permanent removal, as it was right in the way of the hitch cross member. It’s quite heavy duty. Comes off easily, requires removal of two bolts. Passengers side, mounted on the bottom of the frame rail. I have included a photo, but not while it was on the car, I was focused on the install. I managed the install by myself, no lift, required jacking up at the rear jack point on one side to be able to slip the hitch up behind the chrome exhaust tips, as the distance between them is less than the width of the hitch. Also, appears the foot activated rear hatch auto lift will not work with the hitch, which is what Toyota said, but not what e-trailer said when I sent in the question prior to purchase. It would not have made a difference in my decision to buy. See attached photo
WIRING KIT
Very pleasant surprise, the battery on the hybrid is in the rear, passengers side below the passenger side panel. Running the power cable is a breeze. The battery is accessed by two removable panels, but just as in the video, I felt more comfortable nearly removing the large side panel to access the light connector. Also, I have the premium stereo, which as a woofer in the drivers rear panel. This does not cause any problems, but is worth mentioning to potential installers so they don’t get worried.
Jerry V.
7/22/2020
Well, I have hUled a trailer a few times, use the receiver for a hitch mount bike rack frequently. Light co be toe kit and instructions were excellent!
Great quality and sound design. Package arrived looking like it had been air-dropped, but the hitch only had a few scuffs on the paint, and the harness package was unharmed. I watched the [online] video a few times and read and reread the printed instructions. All were very helpful.
Harry
12/8/2022
Hitch is doing great! I do not actually pull a trailer, but have a cargo carrier that plugs into the trailer hitch in which I transport my 15 scale railroad flat car.
Everything worked great! Shipping was so fast I was shocked, next day which is exactly what I needed in a pinch. Definitely recommend going underneath the panel under the car because running the wire inside the car to the front was a pain.
The only problem was that the box didn’t survive the delivery. Had problems getting it into my vehicle because the hitch kept catching on everything. Easy set up and installation.
So easy to connect wiring harness. Everything worked well first time and still perfect a year layer
Easy fit following youtube video. Hybrid vehicle so the battery is in the back, made connecting power wire easy. Total time about 2 hours
Easy Peasy. Took me about 30 mins to install hitch on the new Rave Hybrid. Didn't even jack up the vehicle. Car was shiney new so exhaust hangers slid right off. Supported muffler w a stack of 2X4s. Removed access stickers and slid the hitch in place. Shimmed it up with more scrap 2x4 pieces. I have limited tools here at the winter house in Myrtle Beach, but 19mm box end got er done! Slid exhaust hangers back on, good to go. Wiring harness will have to wait a few weeks. Very happy, will use next week to drive to Dallas with Bike carrier on the back.
This does not fit the 2019 RAV4 Hybrid for plug in installation. I got it so that I didn't have to splice the wires but ended up needing to splice them anyways.
Mike L.
7/16/2019
I checked with Tekonsha just to be sure, and they have indeed confirmed that this is the correct wiring harness for your 2019 Toyota RAV4. After taking a look at your photo, it appears you might be looking in the wrong spot for the connectors. The photo you provided shows a photo of a connector outside the vehicle, behind the taillight assembly. The correct connectors are actually located behind the interior panels on both sides of the cargo area as shown in the installation instructions linked above.
The sales representative was amazing. Not only did he care about providing AAA services but also sent video's on how to install which made it so easy. I will definitely purchase through etrailer again.
Beautiful product with good instructions. Fast install time
The install was just as described in the video. I was able to install the hitch by myself and the holes lined up perfectly with the hardware supplied. Thank you for a quality product.
Quick ship. Just what I needed to get the wiring done without cutting into the existing wiring harness on the vehicle.
Dj Z.
9/7/2023
Used it just this weekend. Worked great!
I never thought I would be able to attach a trailer hitch and then put the wiring in. We recently bought a new car and we wanted a trailer hitch put on. The dealer wanted over $600. I believe I paid under $250 for the hitch and wiring harness. The videos are fantastic. It is step by step. Unless you are disabled, you should be able to do it. If you are shopping around you don't need to go any further. Customer service is A+. I never take the time to write reviews, but i just wanted to let others know what a good experience I had and saved over $350.
Earl
5/5/2023
It is great
etrailer has always been easy to work with. Their customer service and support is exceptional. There products are also very useful. I will continue to purchase from them in the near future. Thank you for all your help and support during the purchase process.
Fast shipping, everything there, easy to install, perfect interface, did everything I needed, MUCH cheaper than the OEM.
Works perfectly on my new RAV4- luv how inconspicuous it is and the installer said it was a breeze!
It just a wiring harness that worked as intended.
This was the easiest hitch I have installed. Just 4 bolts going into the existing nuts in unibody of my 2021 RAV4.
Jon
8/3/2023
Still working great!
Excellent instructions and reasonably priced. In the end, I decided to pay a shop to install because I was too lazy to pull all the interior panels to route the wires. The shop would've provided a similar control unit and would've marked up substantially. Shop had no issue installing my customer-provided kit. Controlling my trailer lights perfectly.
The installation video for my make and model vehicle was a great help. It gave me the confidence to pull a little harder on the interior plastic side panels knowing they would not break. Wire harness connectors fit perfectly with existing connectors. My hybrid vehicle has the 12v battery located in the rear on passenger side. This made the power connection a breeze. I will recommend Etrailer to anyone looking for your type of products.
Sam
11/8/2022
Trailer lights work perfectly each and every time.
This was a great fit for my 2019 Toyota Rav4. It took me roughly 45 minutes to install with my intermediate skills. The biggest pain was that the RAV4 has a plastic undercarriage which hides a lot of things, I had to take that down all along the driver's side from the rear axle up to the engine compartment. It wasn't technically difficult, but it was an added step I didn't foresee, to tuck the wiring inside of that rather than leave it exposed. It works great with my small trailer lights.
Dave T.
6/7/2021
A year later and everything is working as expected
I installed the wiring kit in a 2021 RAV4 Prime. The installation video and instruction sheet were not completely correct for the Prime model where the 12V battery is actually in the rear near the right side tail light. The installation was actually simplified by not having to run a power wire up to the engine compartment.
The problem with the kit is the wire length is a little short for connecting the left and right side tail light wiring. Best I can tell, there's a connector mounting block in my car that increases the distance by about 10 inches. There was just enough slack in the wiring to route the wires under the plastic threshold, but they could not be properly stowed. This lack of length also led to a failure when reinstalling the tiedown screw causing sparks as the power wire was pinched. After repairing the wire, the installation worked okay. I'm still a little concerned about the durability of the wire routing.
Sierra K.
9/13/2021
The instructions will be a little different since this is for other years too. You must route the wire exactly as the instructions say, to be able to have enough length. As long as the wire is away from any moving parts or heat, it should last for years to come.
This wiring kit, was specifically for my car. Instructions were clear. All the parts were included, except for one bracket to mount the plug to the out side of the vehicle, which is not a big deal to me because if its on the outside it will get nasty and rust from the weather. The actual install was a total pain in the neck. Had to basically tear the whole back of the car apart, and take down the plastic panels that run the full length of the car on underneath. Total install for the wiring kit was nearly 2 hours!!! The person who did it for me was NOT happy. But it’s done. Good thing I only have to do it once. Have not used it yet, waiting on the tow receiver which was out of stock
Jenny N.
4/12/2022
Since the harness is stored in the rear compartment when it is not in use then it will not come with a mounting bracket. Routing the power wire can be tricky. We do have a FAQ that can help.
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Derek
7/22/2024
Great! No issues