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If your vehicle already has a 4-way flat, this kit includes everything you need to install an electric trailer brake controller and 7-way connector. If there's not an existing 4-way flat on your vehicle, you can purchase one separately.
Features:
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Average Customer Rating: 4.7 out of 5 stars (3094 Customer Reviews)
If your vehicle already has a 4-way flat, this kit includes everything you need to install an electric trailer brake controller and 7-way connector. If there's not an existing 4-way flat on your vehicle, you can purchase one separately.Very nice item, very easy to install all the connectors were good quality and precrimped on the wire ends, the only thing the little plastic tab that locks the plug into the receptacle snapped off quite easily now I have to wire tie it to secure it but other than that very nice product includes everything you need for a nice clean install.
I purchased the brake controller and wiring harness from you all and installed it watching the video on your website. I followed the instructions to an absolute T. Got everything ready and tested the product and got an SH error code for the blue brake wire shorting out. I pinned and measured resistance and everything was coming back fine (4+ ohms resistance). I then hooked a power prope to it to find the short along the frame and nothing. I had power from the female connector all the way up to the brake controller. After 4 hours of troubleshooting, I found that the female trailer connector was shorted internally. See the attached picture. The blue and green ring terminals inside of the female trailer connector were touching. Replaced the trailer connector and now all is well.
Jenny N.
3/20/2024
It looks like you did all the troubleshooting that we would have recommended. I will have our Customer Service team reach out to you about replacing the trailer connector.
Kate M. my salesperson, had a most professional interaction with me being certain of my and my vehicle's needs. In addition, she walked me through the complete installation process. This I completed, wiring the 7-way and the Curt Discovery Controller making no errors along the way. On the first test, every terminal on the 7-way tested as it should. When we came home with the RV from the dealer, all the lights and the brakes worked flawlessly. Many thanks!!
I have a 2018 BMW X2 that did not come with a factory tow package. I had an etrailer hitch and 4 way plug installed last year and has been perfect since. I just recently purchased a camper and needed to have a Brake controller & Brake controller 7 way deluxe kit installed. My mechanic installed them with the detailed instructions that the units came with without any issues. The Tekonsha P3 is extremely user friendly and is working flawlessly. A bit overkill for my car being I can only tow max 3500 pounds, and my camper is 1 axel. this unit is rated up to 3 axles. I look at it like this way, when I trade in my BMW I will take my P3 with me. etrailer is amazing with the support & products they provide and I highly recommend them to anyone who asks me.
Teresa
12/24/2021
My Meghan said this was very easy to install, works great no complaints whatsoever.
Still working great. I didn't use the backup lights or brake signals and only ran a 12 volt charge wire to the vehicle battery and used the included fuse/breaker. Replace the included screws and bolts with something stainless or they will rust on you.
This installation kit had everything we needed. My only suggestion would be to include 35 feet of the duplex wire. I had to visit Napa Auto Parts to complete the project as 25 feet was not long enough. The E-trailer installation video was a big help.
Very good quality and instruction. Hardestpart was running battery and lighting wiring to engine compartment and through firewall for break controller on 2021 ford ranger lariat.
Amazing, all you need available, with great instructions available for DIY. Hard to find all in 1 kit that can fit a multitude of vehicles....I put this on an older model MB Sprinter that did not come pre equipped with tow features from factory and it looks great works great. Make even a beginner DIYer feel like a competent mechanic. will save you hundreds of dollars.
A very well thought out kit. Installation was challenging but very rewarding to know it had every thing to provive a very professional installation. I replaced my trailer brakes to match, which I just completed with a complete brake kit that I also purchased from your company. Will go for a test ride soon.
I was told after numerous communication, photos, etc . that this harness would mount face out on my bumper, next to my license plate. Wrong. Had to mount it in the bottom of my bumper. Seems etrailer needs to educate their sales staff. Disappointed. Trust level at 0
1 year review. I installed this product on my 2017 Toyota Highlander. As a person inexperienced with vehicle electrical systems, I found the installation challenging but achievable. I appreciated the advice and videos from etrailer.com. I liked the final fit and finish on my vehicle when using manufacturer hitch and bumper kit.
After 1 year of usage, I have found 4 specific opportunities for improvement.
1. Water accumulation in the plug cover flap. After rain, I flip the flap up and water spills out of the crevice in the flap. There is also a small amount of water in the plug itself, but unclear if there is rain entering the socket or if this is from spillage when the flap is opened. This needs to be sealed to protect the plug!
2. Poor quality top mounting nuts and bolts. I overtightened one of the top bolts and it sheered off. I replaced it with zinc plated hardware. In my picture you can see after 1 year of use the included bolt on the left is corroded and the hardware store bolt looks new.
3. Poor quality front mounting screws. You can see the 4 rusting screws in the picture. These are designed to be exposed to weather, so I was surprised to find rust forming after the first few weeks.
4. Poor quality attachment point for the flat connector. The 4 way slips onto the side of the 7 way mount and is held on by rubber friction. It never stays in place and is always dangling.
One other suggestion is to offer a kit made for the newer wireless brake controllers. It could have less wire, fewer connectors, and cost less.
Because of the above problems I will have to replace the 7 way plug soon. Therefore I gave the product only 2 stars and would not recommend purchasing it.
The controller works great, and applies the brakes in a study manner, depending on how hard you’re breaking and what number it’s set too. The installation was a little more difficult than I expected, but that has nothing to do with the product, but more about finding the ideal location for mounting, and still went smoothly. The finished install looks like it came from the factory, with just the adjustment knob being visible. I like how it’s always on and ready to use, but it’s only active when the trailer is hooked up. Super simple to use.
Install with brake controller took a few hours on my 23 F150 but worked just as it should
Another successful order and install from etrailer.com! Always fast shipping and excellent installation guide videos! Installed on 2021 JL Wrangler EcoDiesel.
I've had this trailer hitch on my 2013 Outback for a year now and love it! I tow a popup tent trailer and this hitch works excellently. It was a solid half day installation but my Dad and I were able to knock it out no problem! I love the discreet look of this since I'm not often towing the trailer. I couldn't recommend enough! Way better than the bulkier, less tasteful versions available.
I installed the kit on my 2007 Toyota FJ Cruiser, which was already equipped with the factory 4 wire connector, and it was pretty straight forward. Of course, it's universal kit so there are lots of variables between vehicles, bur that being said, it fit mine just fine. The only thing I did differently is tapped the brake light circuit at the master cylinder with the included Scotch Lock rather than at the brake pedal since my vehicle has a manual transmission and the clutch pedal made it all but impossible to access the circuit there. Overall, the hardware seems to be of good quality and the instructions were fairly easy to follow. I must say the included 4-wire connector extension isn't very secure in the connector bracket, but a little RTV should fix that. I will be towing a lightweight A-frame trailer and I'm sure this is just what I need.
It works, but wiring colors don't match the instructions and the four prong connector does not fit the bracket at all, it just falls out and hangs there.
Very easy to install! I put off installing this stealth hitch for a month dreading taking off the body panel... Just to find out it was extremely easy. The whole process took me four hours, would have been done sooner if I didn't unnecessarily take off a small battery cable that prevent the car from starting. The part of the makes me happy is the added safety from the superior strength in steel and the protruding ball to help protect from getting rear ended!
Installation instructions are adequate, provided you keep the wires straight. After final install everything worked fine. The online video was a little too simplistic, and skipped frustration in finding where to put things. Final outcome was a clean install. It would have been nice to have been offered the dashboard knockout piece for the Highlander. I drilled mine out and it works
I actually only needed one wire because I have a curt 7 pin brake controller that plugs into the back. However, I wanted a number 10 wire and chose to use this kit in case I want to hard wire a brake controller in the car later. This also allowed me the luxury of choosing to use a 30 amp breaker. Working great!
this has been a frustrating endevor trying to get parts together to install Tow pro brake controller got the Red Arc Controller and wire package for rear of vehicle controller and no wire harness to get out of the controller bummer orfer more parts i guess
Somewhat low quality/value -- particularly the connector harness. Connector was poorly sealed, incompletely covered with liquid electrical tape and would likely have shorted/corroded if exposed to water. The Hopkins equivalent is completely sealed and the 7-way+4-way are integrated and solid, so I went with that.
I Could have used a bit more wire. Ended up using some wire and a connector or two I had laying around. Overall seems like a very good product and easy to install.
I don’t typically do surveys of any kind but the good experience I have had with etrailer has given me reason to write. etrailer’s website and menu took me right to the product I was looking for based on the year and make of my tow vehicle. My package arrived a day early, was well packaged, not damaged and what I ordered. I haven’t installed the trailer brake and wiring kit yet but after reading the simple to follow directions just one time I am confident that the installation is going to be a success.
It was very easy to install. My vehicle had the harness already to the back for the plug and controller.
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Dave G.
5/16/2024
Still working a d holding up well, I would buy this again of needed .