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7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires

7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires

Item # ETBC7L
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If you have only a 4-way flat on your vehicle and want to install a brake controller that pulls power from a 7-way trailer connector instead of wiring directly into your vehicle, this kit will adapt your plug for use with your brake controller. 1-800-496-5010 to order etrailer accessories and parts part number ETBC7L or order online at etrailer.com. Free expert support on all etrailer products. Guaranteed Lowest Price and Fastest Shipping for 7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires. Accessories and Parts reviews from real customers.
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etrailer Accessories and Parts - ETBC7L

  • Trailer Brake Controller
  • Installation Kit
  • etrailer

If you have only a 4-way flat on your vehicle and want to install a brake controller that pulls power from a 7-way trailer connector instead of wiring directly into your vehicle, this kit will adapt your plug for use with your brake controller.


Features:

  • Kit allows you to use a trailer brake controller that pulls power from your trailer connector instead of wiring into your vehicle
    • Great for use with Tekonsha Prodigy RF (90250), Autowbrake (3430001), and Curt Echo (C51180) trailer brake controllers
  • 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
  • (20') 12-Gauge wire lets you run power from your vehicle's battery to the trailer connector
    • General Purpose Thermo-Plastic (GPT) insulation is highly resistant to acids, gasoline, oil, grease and most industrial solvents
  • Heavy-duty, 40-amp circuit breaker protects your vehicle's electrical system by preventing overload
  • Installation hardware included
    • Ring terminals for battery and breaker hookup
    • Self-tapping screws for attaching circuit breaker and ground
    • Zip-ties for securing loose wires


Note: 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.


57672 Connector Diagram



7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires






Customer Reviews

7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires - ETBC7L

Average Customer Rating:  4.6 out of 5 stars   (191 Customer Reviews)

If you have only a 4-way flat on your vehicle and want to install a brake controller that pulls power from a 7-way trailer connector instead of wiring directly into your vehicle, this kit will adapt your plug for use with your brake controller.

by:

This part was installed on a 2018 Subaru Outback. I did use a CURT 57204 bracket to help stiffen the mounting area since I'm using an Ecohitch Hidden Hitch. I also had to use a little more 12 gauge wire than was provided in the kit, as suggested in etrailer's installation video. Great product and very useful videos made this installation a breeze. Thanks etrailer!
PS - Use this product if you have already installed etrailer's 4-Pole Flat Trailer Connector in your Subaru.




by:

This fit ALMOST perfectly on my 2007 Tacoma. I zip tied the four pin trailer connection to the tow vehicle harness. Besides the four pin, I only needed the black power wire because I am using a Curt Echo bluetooth brake controller. I ran the power wire along the frame, into the cab, through the firewall and to the battery via the included breaker. I zip tied the unused wires to the harness and wrapped the whole thing in electrical tape. The included bracket almost fit my OEM four pin mount perfectly. The holes were a bit too narrow but I just had to widen them with a drill bit pressing outward. The setup looks stock and I'm very pleased with it.


Comments
Like many other on here, my screws have rusted. I would gladly pay the extra $2 for stainless ones to come in the kit. Otherwise everything is still working good.
Thomas R - 04/13/2021


by:

I installed the ETBC7L 7 way adapter plug on my new 2022 Santa Cruz to be used with the Curt C51180 wireless brake controller. I was able to bend the 7way mounting bracket flange in vise from 90 degrees to about 45 degrees to match the Hyundai OEM hitch 7way mounting bracket. The wire to battery I encased all the way with protective flexible cover. I mounted the circuit breaker under hood by battery and capped breaker terminals with rubber cover that was cut off 4way plug, it worked perfectly. This is one neat little pickup with its 5000 lb tow rating with a brake controller. It was a fairly easy installation and the best way I think without cutting into vehicles wiring for a brake controller. I have enclosed some pics.




by:

This it it! Perfect kit for my BMW X5 without a tow package. Pair this with a wireless proportional brake controller and you’re set!




by:

I used this kit to convert an OEM 4-way flat connector to a 7-way on a 2012 Toyota FJ Cruiser. Easy, straightforward install. Only issue I ran into was that I had to elongate the kit mounting bracket holes to use the existing bracket holes. etrailer provides excellent written and video installation instructions.




by:

Everything delivered as ordered with easy installation instructions, and working perfectly. The etrailer website was very helpful in selecting what hardware was needed. A bit disappointed the Curt wireless controller doesn’t seat more securely in the 7- way, but the provided safety strap should keep it in place. Would definitely recommend etrailer and will use it again.




by:

Purchased this for our 2016 Kia Sorento So we could tow a pop-up camper. Had to purchase the Tekonsha 4-way kit for factory tow package first, then added this ETBC7L to convert it from 4-way to 7-way electrical. Most challenging part was running the wire up to the battery. I did not like the bracket that came with it so bought a draw-tite bracket that looked cleaner. **The 30amp circuit breaker was missing from the ETBC7L kit that I purchased. It was inconvenient that it was missing but customer service and getting the replacement was easy and expedient.** THIS IS NOT A MANUFACTURED KIT FROM TEKONSHA...ETRAILER BUILDS THIS AS A KIT WITH ALL THE PARTS NEEDED TO SET UP**




by:

Pros; pretty much everything you'll need for the upgrade is provided except the electrical tape. Lol. If you are going to be using a bluetooth brake controller and no reverse lights on the trailer, after plugging into your vehicles existing 4 pin you'll need to attach the ground wire and run the hot wire to the breaker and then to the vehicle's battery. Pretty simple. Cons; very poorly designed mounting bracket feature for 4 pin (this is an understatement). I was able to overcome that by mounting the OEM supplied 4 pin bracket onto the one that comes with this kit.




by:

The videos and help were invaluable in connecting all of the wires for the power and brake control. The video was even on the exact model that I was putting the connector on.

There are three difficult procedures in the installation.
1) Getting a connection to the brake light under the dash is very difficult as there is very little room. I would have liked to see how the tech was able to determine which wire was the correct one to use and extend it in order to make a splice. I removed the brake switch from the bracket which allowed me to pull it down enough to test each wire and find the one that went live with the brake pedal being used.
2) Making a hole in the firewall to pass power, ground and the brake control wire. Here the video was spot on. The difficulty is that the firewall is about 12" behind the ducting on the engine side and there is not much room inside to work. I used a 24" 1/4 drill from the engine side to start a hole in a good place. Using a drill from the inside the hole was than enlarged to what was needed.
3) Routing the wire from the engine to the back. Here the video did not go into detail as to how the fish the wire through and over the various components. Having a high lift would definitely help here.

The remaining connection and wiring was straight forward. I used expandable braided shielding on all of the wires to bundle them together and add additional abrasion resistance.

As an added safety measure, inexpensive rubber boots were used to cover the exposed connections on the breakers. Without the boot, the studs would be exposed even with the engine covers in place.




by:

Used on 2015 Wrangler JKUL. Based on recommendation from Erik (etrailer) the product was received. Installed without any issues. Only note is this kit has single black wire for 12v not the 12v/brake cable. So make certain you do not need to attach to the brake circuit.




by:

Wire kit came with everything needed to install on my 2020 Subaru Outback. Took some time to make sure the 12v power was ran safely from the battery to the plug but easy to find a good path. I threw away the bracket that came with the kit as my curt hidden receiver didn’t have a mounting place. I used the curt easy wording bracket that goes over the collar of the hitch and supports the 4 way and 7 pin adapter. I also used the curt plug and play wire adapter for the 4 pin harness and cut a hole in the drain plug for it to run out the spare tire area and into the wire harness.




by:

Very easy to install, came complete with all needed to connect lights from tow vehicle to trailer plug.




by:

Had to modify for my 2017 Wrangler JKU.
Muffler is too close to bumper frame, so had to mount the bracket to the edge so wires would clear heat of muffler.
Bumper bottom is not flush with frame. Could not open 7-pin connector cover all the way, had to mount it sideways. So I had to drill new holes in mounting bracket.
There is not enough wire to properly route. Had to add 4 feet.




by:

The kit itself is very nice. I wired it on a Rav4 Prime SE. The 4-pin does not really secure very well to the mounting bracket, there is just a slot and rubber ribs that slide in. Mine has not fallen out yet, but it just seems kind of insecure. I would have preferred it be permanently mounted and I did not notice it before I ordered. Also, the four mounting screws that secure the connector to the mounting plate are coated with black oxide that will rust within a week or two. I plan to replace the mounting screws with ones that are coated with a more automotive grade coating.




by:

I installed the 7-way wiring kit myself. The Instructions were difficult to understand, but I found a [online} video that was very helpful. My biggest complaint is the 4 screws that hold the wiring kit to the mounting bracket all rusted out, which now look terrible one year later. Other than that, I’m happy with the wiring unit itself.


Comments
I recommend replacing the screws or cleaning the screws and using a rust resistant spray like Rustoleum with them.
-- Etrailer Expert Jenny N - 01/11/2022


by:

Easy to do, comes with everything you need, except the long wire wasn't quite long enough, so I bought another piece of wire, AND the bolts that hold the socket together were not stainless, I have rust stains coming from them, would like to get them replaced this year with some stainless bolts. Was easy to install, I was quite worried it was going to be too complex, but it was simple. Save over $100 doing it myself, plus knowing done right.




by:

Worked very well! My only issue is that I had no brake lights or taillights at first. It took me a while to figure out there was a blown fuse on the 4 way connector wiring (2012 Honda Pilot 4 way wiring kit previously DIY installed a few years ago). After fixing that it works perfectly.




by:

I installed this so I could use the Bluetooth trailer brake control. It took about 3-4 hours. works great like it supposed to. easy instructions.




by:

Great product and looks sleek. I installed on my 2020 Subaru Outback Touring XT and attached to my factory installed hitch. With a vice and hammer, I had to bend the supplied bracket straight for the correct mount orientation; it turned out great though! I gave 4 ??'s because of several factors: 1) After taking a bit of time routing the 12 awg wire to the battery, I could have used a foot or two more wire; my car isn't even that long, and I took a pretty direct route. I even measured and preplanned, thinking I'd be fine. Had to use some spare 12 awg wire I had on hand. 2) As another reviewer stated, I was having problems with the 4-pin sliding out of the bracket. But, I fixed the problem by tying one of the supplied zip-ties around the rubber 4-pin edge and two of the bracket screws, which now holds it in place. 3) It would have been nice to have a set of screws and nuts to attach the bracket to the hitch; I just utilized the existing ones from my 4-pin factory installed bracket.
All in all, I'm really happy with this product!




by:

Today I installed:
- Draw-Tite Max-Frame
Trailer Hitch Receiver (Item #76156)
- Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector (Item #C56217)
- 7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires (Item #ETBC7L)

It took about 4 hrs at an amateur pace with manual tools.

This is the second time I put a trailer hitch receiver on a Toyota Highlander. My first installation was a Curt on a 2010 Highlander. This time I got the Draw-Tite for my 2018 Highlander.

Few observations:
- The fact that the car comes pre-wired and with welded nuts for the hitch makes the installation smooth and easy. Nicely done by Toyota.
- The Draw-Tite hitch receiver is NOT designed for use with weight distributing hitch, which may be an issue for some users.
- I like the that the hitch is nicely hidden under the rear bumper and comes with the bracket for trailer electric connector. Keeps things nice and tidy.
- The installation can be done by one person (with the aid of a couple of plastic buckets), but I STRONGLY recommend to have a helper. The hitch receiver is heavy and if you drop it can cause some serious damage to your body.
- There is no need to remove the passenger side plastic mud cover behind the rear wheel.
- There is a good reason why they don't show you the cutting and installation of the driver side mud cover in the etrailer videos. It's the proverbial PITA. :-)
- The receiver ends-up about 16" from the ground (with the car unloaded), so you will need a 2-3" rise ball mount to end around 17-18" once the trailer is hooked up.
- The cables can be routed nicely through an existing hole under the driver side plastic storage bin. It comes with a rubber plug which can be cut just enough to lush the connector through. This is the cable routing for OEM Toyota trailer cables. And because is it hidden under the plastic mud cover, you don't have to worry water getting in when driving on a rainy day.
- Make sure to protect the cables with a plastic hose or by wrapping them with plenty of insulating tape to prevent chaffing in the places where the cables cross hitch members. Some edges can be sharp and sooner or later will cut through the insulation.
- Trailer wiring and the T-connector are power all the time, regardless of if the key is in the ignition or not. So make sure to unplug your trailer when parked for extended period of time to prevent running down the battery. The T-connector itself draws only about 1 mA when idle, so you don't have to worry as long as the trailer is not connected.
- The fact that you can see the hitch with the rear view camera makes hooking up the trailer a breeze by just person.

Overall, I'm happy with the product.

And etrailer customer services and prompt shipping was, as always, 5-stars. (I am a returning customer)




by:

It works. Hardware could be better, already rusting after a year.




by:

Kit worked just like it was supposed to. Install wasn’t bad, but it left a lot of wire curled up in front of my rear bumper. Don’t expect everything to match the directions. The directions and great video at etrailer are great. But your truck might require some creative wiring. Just saying. Using it with my Curt Bluetooth controller pulling my 2004 Casita. Da Bomb it is.




by:

Product works well, needed to fabricate a custom mounting bracket for a cleaner look.




by:

Easy install, Perfect setup to mate to my Subaru wire harness!




by:

Great turn around and a video that showed instalation on my Subaru. Great service.



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Info for this part was:

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