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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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  • Reviews (2001)
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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   (1999 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:

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:

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:

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 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:

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:

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:

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:

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:

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:

Company is fantastic to work with in every way. The universal install kit is good and comes with clear instructions. The hot wire between the battery and rear bumper was just touch short for our setup and ended up adding some wire in order to mount everything properly under the hood. A year later everything continues to work well.



- 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:

Very good, however fitted to a Subaru Crosstrek - not an easy job because you cannot get to the brake pedal switch connections. However made a "work-a-round". Used Curt tow hitch, this wiring harness and Tekonsha Primus brake controller. Works very well.



- 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:

I have completed the install of the ETBC7 along with the Tekonsha Primus IQ brake controller on my 2019 Ford Escape with tow package. First I must thank etrailer for the multiple instructions and videos that made this job something I was able to do. I saved about $400 as compared to the local RV facility and I dare say my job was better. First I was able to take the time to carefully routed everything and determine the best paths. I also was able to add zip ties and split loom to really tidy up the job. While it took me much longer than the 3 1/2 hours they quoted, I was happy to be able to do it. The video of the gentleman doing the install on the 2017 Escape was tremendously helpful. From wire routing to the indication of the plug on the firewall beneath the fiber matting, it was good. Here are some tips I can offer at this point. I was unable to get a fish of any sort up from the bottom of the vehicle as the video showed. However, another site shown someone putting the duplex wire up though the inside fender. This turned out to be a very good path. I was able to use a piece of 14-2 [wire] as a fish and bend it to make it easy. I was able to use a piece of 1/4 inch poly water line as a feed through the firewall to access the cabin. It just kind of bunched up by the battery and I was able to hook it out. The attachment of the signal wire to the cold brake wire was the most difficult task as the area is very tight. My right elbow is quite bruised as a matter of fact from all the pressure and torque it received as I worked in this tough environment. I had just about given up hope of getting the supplied inline splice in place and closed. I highly suggest a path that I figured out. I went and got a T-tap splice (see pic on wire before male tab was inserted) which made it relatively simple to attach to the signal wire as you are only doing one interface at a time then. Then put a female QC on the red brake controller wire and plug it in, I was able to remove it later when I changed my mind about the underdash wiring. Very convenient. Also I am not a big fan of exposed hot connections right under the hood. I added some bolt covers, (vinyl caps I happened to have) (see pic) to the circuit breakers to provide some protection from shorts by metal objects. etrailer, the addition of some covers to the circuit breakers bolts would be inexpensive and the inclusion of a T-tap would also make a better kit. Thanks



- ETBC7
by:

Absolutely perfect kit for my G3500 Chevy van. Unfortunately these vans don't come pre-wired for trailer brake kits, so we have to add our own. The instructional videos on the website are excellent and give all the information needed for install. Thank you so much for a great product! I have been using it one year now pulling our travel trailer, and it has been flawless.



- ETBC7
by:

The brake controller and 7 pin x 4 pin receptacle were received promptly and in good condition. The quality of the parts was very good. The instructions were a little confusing. The receptacles had their own instruction sheet and the brake controller had its own instruction sheetand they kept referring and deferring to each other. Way too many instruction sheets. The most helpful was the color coded wiring diagram and the white instruction sheet printed on both sides. It was definitive and guided me step by step for each wire. The installation was not difficult, but it was time consuming. I thought it would take 3-4 hours, but it took me 8 hours. That's because I didn't want to do a halfway job that would fail after I ran through a couple of mud puddles. I used stainless screws and nuts for the hitch receptacles and I soldered most of the connections under the dash and the hood. When I finished the job, I turned on the ignition and got an "nc" reading (not connected) on the brake controller display because I did not have a trailer hooked up yet. When I turned off the ignition, the display remained lighted with two dots showing. I was concerned that since the brake controller and the 7 pin receptacle are both connected directly to the positive post of the battery, I would drain the battery since the controller display did not go dark when the ignition was turned off. Apparently, there is a 15 minute delay before it turns itself off which I read somewhere on one of the many instruction sheets. I would suggest that E trailer or the mfr put a statement at the end of the installation instructions explaining that the controller display will shut off after X minutes to prevent draining the battery. I am happy with the units, the price and the delivery and would recommend it to other DIY mechanics.


Comments
After a year in use, the 7 pin X 4 pin is working perfectly. The covers keep the female slots clean even in the mud and they plug in nice and tight. The wiring was a challenge, but taking the time to thread the wires properly will ensure trouble free operation for hopefully a long time.
Eric C - 10/15/2020

Comments
The Brake Controller is still working perfectly. The LED readout makes it easy to tell if its connected properly and i can see the applied brake pressure easily. The initial wiring is a different story. That was very time consuming and tricky. One note on installation - be careful where you place the controller. It needs to be visible under normal driving conditions so be sure its not blocked by the steering wheel. Also be sure its 90 degrees to the horizontal axis of the dash, otherwise itll look crooked.
Eric C - 10/15/2020


- ETBC7
by:

Installed the ETBC7 kit on my 2002 Dodge Ram 1500 Quad Cab. Went just fine, with plenty of extra wire included. It has performed very well. Don't stress over routing the cable from back to front, it lays in very easily. Sure have enjoyed knowing the electric brakes are back there. Heartily recommend this kit.


Comments
No problems at all, and completely reliable. Compatible with another brand controller, another brand truck, and another brand trailer. Takes some research to keep all that compatibility.
Landon T - 01/01/2021


- ETBC7
by:

My truck was stolen and wrecked. I had to reinstall the Tekonsha brake controller in my new truck using this harness. I did not have any problems with the installation at all. Thank you eTrailer for the great support.



- ETBC7
by:

The installation turned out well. Everything you need for a professional looking install is included in this package. We plan to tow a Little Guy mini max trailer with a 2017 Toyota Highlander which has a tow package but it only had a 4 pole trailer harness so we needed to upgrade to a 7 pole. A friend helped me with the install which only took a few hours.



- ETBC7
by:

I'm only on installation step 3 of 16, but I'm already pretty disappointed with this kit, given the price. Honestly, the "no drill" mounting bracket should be included with this kit. The included mount only comes with self-tapping screws and there's not enough space to get a screw driver in place to use them. I had to pre-drill a hole, and even then the screw wouldn't tighten and I ended up having to cut it off with a mini-hacksaw (there goes my chance to return the kit?). I substituted my own machine screws and nuts/washers instead (fortunately, I had some on hand). Next, I needed to ground the white wire (coming out of the connector) to the vehicle frame, but the wire is only about 12" inches long, and half of that is covered by the wire loom. That's less than half the length I need to even reach the closest piece of metal on my pickup (and it's suspiciously shorter than in their 2009 Dakota installation video...). Cue the need for another trip to the hardware store to buy more 10 AWG wire. Hopefully, I'll get this all installed eventually, but I've wasted too much time on this for one day.


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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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  • Parts Needed to Install 7-Way and Brake Controller in 2018 Toyota RAV4
    Yes the brake controller install kit part # ETBC7 is the exact kit you are looking for to convert the 4-way of your 2018 Toyota RAV4 to a 7-way, install a brake controller, and activate the 12 volt accessory circuit for the charge line of your trailer battery. The only thing else you'll need is a brake controller which the Draw Tite iCommand part # 5535 is a really great option that is very reliable, is proportional which means it senses how hard you apply the vehicle brakes and applies...
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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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  • Will ETBC7 Allow Use of Brake Controller in 2017 Ford F-150
    The Universal Installation Kit for Trailer Brake Controller # ETBC7 is wiring and 7-way adapter that allows brake controllers to be installed if you had a factory 4-flat in your 2017 Ford F-150. Since it sounds like you have the OEM brake controller you should already have a factory 7-way and would not be able to add the # ETBC7 along with it. If you do have a factory 7-way but not a brake controller I strongly recommend using an aftermarket trailer brake controller which are widely...
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  • How to Determine Stop Light Switch for Brake Controller Install on 2018 Toyota Highlander
    When installing a brake controller, the only way to determine the cold side of the stop light switch on any vehicle, including your 2018 Toyota Highlander, is to use a circuit tester such as the very handy Cordless Circuit Tester # PTW2979 and find the wire that only has voltage when you press the brake pedal. If you take a look at the linked video we did installing the Tekonsha Prodigy P3 Trailer Brake Controller # 90195 with the Pigtail Wiring Harness # 7865 on a 2018 Toyota Highlander,...
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  • 7-Way Kit and Brake Controller Recommendation for 2007 Ford Crown Victoria
    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 part # 5535. This is one our best selling brake controller because of how well it works and how easy it is to setup. It's also priced great too.
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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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  • Installation Videos & Instructions for ETBC7 Brake Controller Installation Kit
    We have produced many different videos for the # ETBC7 brake controller installation kit. While we do not happen to have one showing your specific 1999 Chevrolet Blazer 2-door rear-wheel-drive version the overall process will be essentially the same on any vehicle. For reference I have linked two videos showing a 2001 Silverado and a 1993 Suburban as examples. I also linked you to an article that covers the complete ETBC7 installation process. Between the two videos and the article...
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  • Recommended 7 Pin Wiring And Brake Controller For 2012 Chevrolet Equinox
    For your 2012 Chevrolet Equinox, I recommend we start with the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 56094. This will simply connect to the factory plugs behind each of your tail lights. It is recommended to use a small amount of dielectric grease like # 11755. If your trailer doesn't have brakes, you will just need a 7 way connector like the Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector # 30717 and a mounting bracket like # 18138. If...
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  • How to Install Brake Controller To a 2005 Jeep Liberty With a Factory 7-Way
    To install a brake controller on your 2005 Jeep Liberty you will need to hardwire the wires from the back of the brake controller to the vehicle. This vehicle does not have a brake controller port that you can plug the brake controller into. The four wires on the back of the brake controller are: White: Ground, attached to the vehicle negative battery terminal. Black: 12v power lead, attached to the positive battery terminal with a 20amp or 30amp circuit breaker. Use the 20amp...
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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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  • How to Install Brake Controller in 2006 Mercury Mountaineer with Factory 4-Way
    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. This comes with everything needed to make the conversion and install the controller. There is no brake controller wiring present on your vehicle since it only has the 4-way. For a brake controller I would recommend the Prodigy...
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