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Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

Item # ETBC7
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etrailer Trailer Brake Controller - ETBC7
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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. Call 800-298-1624 to order etrailer accessories and parts part number ETBC7 or order online at etrailer.com. Free expert support on all etrailer products. Guaranteed Lowest Price and Fastest Shipping for Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires. Accessories and Parts reviews from real customers.
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etrailer Accessories and Parts - ETBC7

  • Trailer Brake Controller
  • Installation Kit
  • etrailer

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:

  • Kit includes wiring and accessories required for installation of a trailer brake controller (sold separately) in your vehicle
    • Designed for use on a vehicle with an existing 4-way flat trailer connector
  • 25' Long, 10-gauge duplex wire is wrapped in an abrasion-resistant cover
    • Connect one wire to the blue wire on the brake controller
    • Connect one wire to the positive post on the vehicle's battery via the included 40-amp circuit breaker
  • Pre-wired 7- and 4-way trailer connector mounts easily at rear of vehicle with included bracket
    • Plugs into existing 4-way trailer connector on vehicle
  • Heavy-duty circuit breakers - (1) 20 amp, (1) 30 amp, and (1) 40 amp
  • Circuit tester helps you find the stoplight switch wire above the brake pedal
  • Also includes hardware for installation:
    • Ring terminals for battery and breaker hookup
    • Quick-splice wiring connectors
    • Self-tapping screws
    • Zip-ties
    • Wire loom for a professionally installed appearance


Note:

  • No existing 4-pole connector: If your vehicle does not already have a 4-pole flat trailer connector installed, the etrailer application guide can be used to find the easy-to-install connector made specifically for your vehicle.
  • Extra-long vehicles: If you drive a crew cab, extended cab with long bed, cargo van, minivan, or extended-length SUV, 10' of extra wire (ETBCXW - sold separately) will make installation much easier.

7-Way and 4-Way Trailer Connector

57672 Connector Diagram



Wiring Diagram for Trailer Brake Controller Installation

Wiring diagram of brake controller installation


ETBC7 Universal Installation Kit for Electric Trailer Brake Control - 7-Way Blade and 4-Pole Flat - 10 Gauge Wires

Installation Details ETBC7 Installation instructions




Customer Reviews

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires - ETBC7

Average Customer Rating:  4.8 out of 5 stars   (2056 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.

- ETBC7
by:

I purchased this 7-pin connector for my 2007 FJ Cruiser. I was excited to get this installed, and found that the wiring was solid. I chose to cut the 4-pin connectors off of my FJ and this adapter. The fewer plugs the better! I like to solder and shrink wrap me connections. While the plug and wiring are really nice, the mounting bracket is junk. It’s very thin metal which appears to be simply painted, not powder coated. It also has a notch on the side for the 4-pin connector. This is the worst part. The rubber around the 4-pin is grooved, presumably to fit into the notch in the mounting plate. But it is not secure at all. The 4-pin simply falls out and dangles even with nothing connected. And there is no way to secure it. This is a significant design flaw.


Comments
Thank you for your review! It actually looks like you have that bracket on the wrong side of the 7-Way. The right side is a little wider so if you flip it to the left side youll have enough room for the 4-Way to fit properly.
-- Etrailer Expert Jon G - 05/08/2021


- ETBC7
by:

The installation videos and instructions provided by etrailer are exceptional and are one of the main reasons why I purchased this kit. My second reason for purchasing this kit rather than buying everything local was for the duplex wire which I could not find local unless I was willing to use outlet wiring or two single wires. There are two things I don't like about this kit and two things that just bothers me. First the duplex wire I wanted so bad is too short. I had to mount my controller on the left side of steering wheel just to have enough wiring. Second the wiring on the 7/4 way connector isn't even a foot long so I had to remove the large ring terminal carefully and install it on a piece of white white I cut from running the duplex from the back to the front and use a buck connector to join it to the white wire on the 7/4 way connector. Once I did that I was finally able to ground the connector to my frame. As well I don't like how the 4 pole connector can easily fall off the bracket. It makes the connector look cheap. Lastly, they should really include the No-Drill Mount 18140 with the kit. Thankfully I was able to use my old mount for my existing 4 pole. So if the duplex wire had been two feet longer and the kit included a better 7/4 way connector I would give this a 5 Star rating.



- ETBC7
by:

Included everything needed to wire the control unit for the electric brakes on my sailboat trailer. Installation of the 4-wire flat plug & the 7-pole plug was a snap. The hardest part of the whole installation was running the wire from the plug at the back of my 2015 Subaru Outback to the engine compartment, because I chose not to just run it outside underneath the car, but rather inside along the floor/ door jambs driver side; but it was very do-able and made for a very 'clean' install. Subarus have a factory installed plug to connect a 4-wire flat trailer plug (easy), but nothing for a 7-pole plug as they are not normally used to tow a trailer large enough to use electric brakes. However, the brakes on my trailer had been converted from hydraulic to electric by the previous owner. The Subaru brake switch has 5 wires coming out of it, so I had to go to the dealer and ask them to identify the specific wire I needed for the brake control to be correctly wired. Done, done, & done. :-{D


Comments
A year later & still totally satisfied. Even recommended the same setup from etrailer to a friend he bought it too, & his experience has benn like mine.
Mario - 06/17/2021


- ETBC7
by:

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.



- ETBC7
by:

Very straightforward install on our Jeep JKU. Plenty of wire and everything you need for the job. Only dropped it down to 4 stars for 2 reasons: First the provided screws to attach the bracket to the chassis are garbage. Both snapped off in the holes and had to be drilled out adding quite a lot of time and swearing to an otherwise easy job. Secondly the bracket attachment for the 4 pin plug is laughably bad. It is so loose that I am sure it will spend most of its life dangling after it falls off.



- ETBC7
by:

Purchased a Teckonsha Voyager brake controller and the ETBC7 install kit. The instruction an video were very clear and easy to follow. Installed on a 2007 Ford Ranger Sport. Tech support was also very helpful on the one question I did have.


Comments
Products have functioned as advertised. No problems and still operating as they should.
David - 11/08/2020


- ETBC7
by:

Overall, this is a good kit, and is much better than having to do it from scratch. I mounted this on a 2016 Chevy Express 2500 with a DrawTite class V hitch. This kit did not come with an L-bracket to mount the receptacle to a hitch like they show in the video. But, you can get one from etrailer. I fabricated my own L-bracket and mounted it upside down so it would be protected from road debris by the hitch itself. It made the receptacle fit perfectly against the bottom of the bumper. (see pic) You will also need a couple extra blue butt connectors for this particular vehicle that are not included in the kit. It would also be nice if the kit came with a few more feet of wire covering to use under the hood. I would recommend following the video carefully when installing the Tekonsha Prodigy 2 controller. It's a great video.


Comments
Product still works great.
Steve C - 05/21/2020


- ETBC7
by:

I will be using this kit along with echo wireless brake controller. (No wire running to cabin!!) however, the 10 gauge wire was very slightly too short from perfect spacing for my 2017 highlander( doesn’t have room for make any loop wires for any repair in the future), I terminated the wires at 7 pin connector and then routed the wire under body, it’s dirty and sandy. The terminal lug for the ground wire fell off, but i just re-terminated it and it’s no big deal. I had to loosen some panels and make sure the wire won’t chaff against any structure. I do find that routing the wire down between the fuel tank and suspension bracket could be problematic down the road, but there wasn’t much option. i end up putting some chafe protection foam on the tank and the wires... and aluminum tape the wire to the fuel tank to prevent the wire from chafing against the bracket. Used a lot more tie wrap then what was provided...



- ETBC7
by:

Everything you need to install a brake controller on a vehicle without a "tow package". In my case I used it on a 2013 Ford Explorer. Because I have an after-market receiver, I had to make a bracket to mount the bracket that comes in the kit to the receiver, otherwise all the necessary parts are in the kit.



- ETBC7
by:

Did the job. No complaints. Everything in order and all necessary cable ties etc. I was connecting to a 7 point connector and therefore fed it through the body (already a hole for cables that can be used) under the vehicle as opposed to only hanging through the closed back hatch per one of the videos.


Comments
Nothing has changed a year later still worked without a problem
Evan - 06/14/2021


- ETBC7
by:

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.



- ETBC7
by:

I used this kit to install a 7 pin connector to my new 2020 Hyundai Palisade. Everything I needed and more was included in the kit. I am using the Curt Echo Mobile brake controller to avoid having to do interior installation work. I had factory installed four pin lights wiring already, which plugged into the 7 pin connector wiring. I only had to run the plus 12V wire from the battery, through a circuit breaker to the 7 pin connector and I connected the ground wire at the under hood ground point near the battery, as there is no solid steel area near the 7 pin connector to connect a closer ground.



- ETBC7
by:

Just as etrailer stated, these were the right parts for my 2017 Ford Expedition. I was especially pleased with the easy to follow instructions. Installation took me about an hour, and I'm not particularly handy.


Comments
Still works well
Brian F - 06/06/2021


- ETBC7
by:

I installed this on a 1996 Chevy Tahoe to tow a Coleman camper and car carrier. The installation takes some time to run and connect all of the wires but this kit made it as easy as this kind of job can be. Most of what I needed was in the kit and the instructions were great. Once the wires were run connecting everything up was pretty easy. I do have a couple of suggestions to make this kit better. The length of the cables was ultimately too short to use as required. I ran out of line when needing to run the final section to the positive terminal and brake light switch so the cable could stand to be about 2-3 feet longer. I also had to order and splice in extension lines for my application to be able to mount it to the chassis. Also few more courtesy butt connectors and self-tapping screws would also be good. Overall the kit was extremely solid and video instructions are invaluable. Thanks, etrailer!



- ETBC7
by:

I love your videos, which I watch a lot of! Very helpful. I couldn't fit the 7 pin plug to the bumper without extending it somehow. So, I grabbed an Octagon shaped electrical cover and bent that to even out the plug to the ground. I'll paint it black when I'm done with the wiring. I've run the duplex up to the front and today I will make all the connections. Also bought a pigtail for the brake controller.



- ETBC7
by:

Sal was great, got the order out same day FAST. Arrived right on time. The items were exactly what I needed to get my Van together for towing complete with hitch and wiring harness.



- ETBC7
by:

product was excellent and COMPLETE. everything you need with very DETAILED directions. i also ordered the prodigy P2 to complete my install. both were excellent and very recommended. only modification was on the actual plastic cover on bumper, i cut away minimal pieces with razor knife for perfect fit. you can look at all the pics to check out install. I took advantage of the reverse light wire and put LED light bar on back of trailer. i made one email to e trailer for exact numbers for my make and model. the response was pretty impressive. Full detail with pictures and product numbers all set up so all i had to do was press order and pay for it. This is how american companies are supposed to be ran......I LOVE IT!!!!


Comments
Your products are awesome. Ive had zero issues with it and 5 of my friends purchased and installed the same set up in there trucks. Thanks again for the great products and excellent support.
matt - 03/05/2015



- ETBC7
by:

This is a very nice kit. The instructions are pretty good, but the install videos by etrailer are quite good! Almost everything needed was supplied, the only things that I needed more of were zip ties as well as needing about 10 extra feet of the same gauge wire. The supplied coil of duplex wire wasn't quite long enough to make all the connections that the wiring diagram calls out after routing it from the back to the front of my 1994 f150. Everything is easy to install and hook up.


Comments
Everything is still working well. I live in Wisconsin, so theres a lot of salt and other grime on the roads for a lot of the year. But everything is still working as it should whenever I hook up. I do spray a little dielectric grease on the spades every couple weeks or so to make sure they stay clean. All in all, everything is working great!
David - 02/02/2021


- ETBC7
by:

I have ordered several trailer hitches, wiring harnesses, etc... from you over the years and always been Awesome. This is the first time I ran into a problem. The 4 plug wiring harness that plugged into the already installed 4 plug harness was wired wrong. The green and yellow wires were switched so when all complete I would turn my left turn signal on and the right one on the trailer would light, and vice versa. I was confused for a few minutes until I figured it out then simply spliced the wires to correct it.



- ETBC7
by:

Everything is good, except for the 7-pole receiver. It is too shallow and doesn't hold the trailer-side 7-pole connector, which slips out under its own weight. So now I have to hold it all in place with a zip tie (which I cut and replace with every use...ugh. Maybe I'll glue a velcro strip on or something. If the receiver was deeper and the spring and catch on the receiver cover flap were stronger, this would be a great improvement.


Comments
My opinion is basically the same as it was a year ago. One issue I see developing is rust on the bolts that hold the 7-pole receiver to the frame - stainless steel or at least galvanized bolts would be a better choice here.
Henning G - 09/08/2020


- ETBC7
by:

Just upgraded to a 2016 Odyssey and need to tow my camper. Purchased the OEM hitch and OEM custom harness (from car to 4 pin on hitch. OEM Hitch comes with nice beefy flange where the 4 pin connector mounts. But I needed a 7 pin for electric brakes and bought this ETBC7 kit to do the job. I ended up cutting a custom hole in the bumper cover and figuring a way to mount the bracket in this kit directly to the OEM hitch. Wanted to share photos of the install for anyone else in the same boat. Advantage of my install is that the 7 pin is mounted above the bracket, protecting it from injury from low clearance obstacles on the road. One Con, is I had to mount it upside down so it didn't interfere with the metal bumper under the bumper cover. One issue I remember is that the Ground wire on the 7 pin harness didn't come close to reaching an available frame member, at the side of the car. I had to cut off the ring lug and extend it out to the edge of the car to complete the install. But it is done now!



- ETBC7
by:

Works great on our 2020 Rav 4 Adventure. Love having access to both the round and flat connectors. Without an adapter to also cary around.



- ETBC7
by:

Worked perfect and had plenty of wire to run from rear to engine on quad cab short bed. I used a bunch of extra zip ties because what came with it wasn't enough.


Comments
No issues.
Jason - 04/09/2021


- ETBC7
by:

Yeah my trailer wiring kit from etrailer for our 2008 Ford Escape worked out great...followed the enclosed instructions and watched the video on the site and installation was a breeze.Good quality components and great customer service make etrailer my go to for all of my towing and transport needs.



- ETBC7
by:

Ordered the whole package,hitch and wire harness,delivered quickly and easy installation by myself. Saved big $$$


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  • Parts Needed to Convert 4-Way of 2007 Ford E-350 to 7-Way and Install Brake Controller
    Since you have a 4-way on your 2007 Ford E-350 you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well. For a brake controller I would recommend the Draw Tite iCommand # 5535. This is one of our best selling brake controller because of how well it works and how easy it is to setup.
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  • Parts Needed to Install Brake Controller on 2008 Toyota Highlander
    To convert the 4-way of your 2008 Toyota Highlander to a 7-way and install a brake controller you'd need the part # ETBC7 which comes with everything you'd need and has a bracket that will bolt up to the welded on wiring bracket of the # 75726 you have. Since you have limited room on your dash due to the air bag setup like you mentioned a brake controller like the Redarc Tow Pro Elite # RED44FR would be a great option as it allows you to only have to mount a small knob on the dash or...
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  • How to Install Prodigy P3 on a 2015 Dodge Durango Without Tow Package
    That is a bit confusing as to why Dodge would have the plug installed on your 2015 Durango for the Adapter # 3045-P if your model didn't come with the tow package. Since it didn't come with the tow package you need to hardwire everything. Basically just plug the Universal Wiring Kit # ETBC7 into your Curt T-Connector 56198 (replaced by part # C56336) and then route the wiring to your battery and cab for your Tekonsha Prodigy P3 # 90195 brake controller. Unless Dodge has already run the...
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  • Do Both Wires on ETBC7 Need to be Installed on 2018 Jeep Compass if Trailer Doesn't Have Brakes
    You are correct. If you don't have brakes on your trailer then you can just use the Universal Wiring Kit # ETBC7 as an adapter and then only connect the 12V power to the battery on your 2018 Jeep Compass to help maintain your battery level. I do recommend routing the brake controller wire from the 7-Way at least up to the engine compartment though since this is duplex wiring. This will make it easier to install a brake controller if you need to do so in the future. To keep your trailer...
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  • Availability of 7-Way Wiring Harness for 2020 Kia Telluride
    The Universal Installation Kit # ETBC7 will allow you to add a 7-Way and 4-Flat trailer connector to your existing 4-way flat connector. This kit includes everything you need to install a brake controller and have an electric brake signal and 12V power wire signal functioning, along with the turn, tail, and stoplight signals you already have, at the rear of your vehicle. This is currently the only option to have a functioning 7-Way on your Telluride. This kit does require a bit more...
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  • Recommended Trailer Wiring Harness for 2008 Toyota Tacoma
    I do have a few different wiring options available for your 2008 Toyota Tacoma, depending on what is already installed on the truck. If your Tacoma happened to come with a factory 7-Way wiring harness, there is not a replacement 7-Way currently available. If it has a factory 4-Way wiring harness and you are wanting to convert it to a 7-Way, I recommend the Universal Wiring Kit # ETBC7. This kit includes all of the wiring you need to install a fully functional 7-Way and also includes...
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  • Brake Controller Recommendation for 2015 Ford Escape with Factory 4-Way
    For what you described we do have a brake controller situation but it will not involve any of the factory wiring of the 2015 Ford Escape aside from the factory 4-way at the rear of it. You would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well. For a brake controller I would recommend...
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