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Hopkins Agility Trailer Brake Controller - Plug In - 1 to 4 Axles - Proportional
Hopkins Plug-In Simple Brake-Control Wiring Adapter - Ford

Part Numbers: HM47294,HM47845


Our Price: $100.05

You Save: $59.73

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HM47294 - Up to 4 Axles Hopkins Brake Controller
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Product Images

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HM47294 - Up to 4 Axles Hopkins Brake Controller
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HM47294 - Automatic Leveling Hopkins Proportional Controller
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In Use/Installed

HM47294 - Digital Display Hopkins Proportional Controller on 2017 Ram 1500
Hopkins Proportional Controller - HM47294 on 2017 Ram 1500
HM47294 - 70 Degrees Hopkins Brake Controller on 2017 Ram 1500
Hopkins Electric Brake Controller - HM47294 on 2017 Ram 1500
Brake Controller HM47294 - Under Dash Mount - Hopkins on 2017 Ram 1500
Hopkins Under Dash Mount Brake Controller - HM47294 on 2017 Ram 1500
Brake Controller HM47294 - Electric - Hopkins on 2017 Ram 1500
HM47294 - Up to 4 Axles Hopkins Brake Controller on 2017 Ram 1500
Hopkins Brake Controller - HM47294 on 2017 Ram 1500
Hopkins Proportional Controller - HM47294 on 2017 Ram 1500
Brake Controller HM47294 - 70 Degrees - Hopkins on 2017 Ram 1500
Hopkins Agility Trailer Brake Controller - Plug In - 1 to 4 Axles - Proportional Digital Display HM47294 on 2017 Ram 1500
Hopkins Under Dash Mount Brake Controller - HM47294 on 2017 Ram 1500

Customer Photos

Hopkins Agility Trailer Brake Controller - Plug In - 1 to 4 Axles - Proportional
part number: HM47294

Proportional brake controller mounts easily. Digital display indicates braking action of trailer. Fine-tune power adjustment has 5 levels so that you can set braking intensity to suit your towing needs.


  • Brake controller activates trailer brakes in proportion to your vehicle's braking action
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
    • Activates immediately - no pausing like with time-delayed brake controllers
  • Recommended mounting is between -20 degrees and 70 degrees
  • 5 Sensitivity levels let you adjust initial braking power and aggressiveness
  • Digital display is easy to read
  • Built-in, slide manual override lever
  • Plug-in, vehicle-specific brake-control adapter (sold separately) is required for installation


  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Designed for use with electric or electric-over-hydraulic trailer brakes
  • Dimensions: 3" wide x 5" long x 1-1/4" tall
  • Limited lifetime warranty

Proportional Braking

With a proportional brake controller, you can get heavy-duty emergency braking, general braking or slow-to-an-idle braking for your trailer automatically. The intensity with which your trailer brakes are activated and the rate at which they are applied are dependent on the deceleration of your tow vehicle. This means that, unlike time-delay controllers - which send the same amount of preset power to your trailer brakes every time - proportional controllers are able to adapt to every braking situation differently. So, if you slam on the brakes in your truck, your trailer brakes will activate with that same extreme intensity. And if you merely slow down as you approach a red light, your trailer will gradually brake in the same manner.

As long as the Agility controller sits level on a horizontal plane and is pointed in the direction of travel, it will sense - via an internal inertia sensor - how your tow vehicle brakes. This inertia-based sensor responds to the deceleration of your tow vehicle as you brake by signaling the controller to send out enough power to your trailer brakes so that they are activated with an intensity that matches. The result is uniform braking across your towing setup. No push-pull action - just smooth, proportional braking every time.

Power and Sensitivity Adjustment

Getting the braking power you need for your application is simple with the Agility. First, set the overall power so that you can achieve maximum braking without locking up your trailer brakes.

Once you have the overall power set, you can fine-tune the power output by adjusting the sensitivity of the internal sensor. Use the adjustment buttons on the top of the controller to achieve your desired degree of intensity. There are 5 levels to choose from. The first level offers the least amount of sensitivity, making it ideal for lightweight setups. The heavier your load, the higher you will want to take the sensitivity. At level 5, the sensitivity of the internal sensor is as high as it can go. This level provides the most aggressive braking and is ideal for heavy loads.

Digital Display

On the front of the Agility there is a digital display that is designed to keep you aware of the braking action of your trailer. This screen shows your sensitivity level, overall power percentage and error codes for issues such as a short circuit.

Simple Installation

The Hopkins Agility is recommended to be mounted in your cab at an angle that is between -20 degrees and 70 degrees to make it easy to access.

Correct Agility mounting90-Degree Agility mounting

Note: The Agility must be mounted on a level horizontal (side-to-side) plane and must be lined up with the direction of travel for the internal sensor to function properly.

To install the Agility, a vehicle-specific wiring adapter (sold separately) is required. These custom kits are available for most newer trucks and SUVs. One end of the custom adapter plugs into your vehicle, and the other end plugs into the controller - no hardwiring required.

See also's exclusive 7- and 4-way brake-control installation kit (ETBC7 - sold separately) if you don't already have a 7-way plug at the back of your vehicle.

47294 Hopkins Agility Proportional Trailer Brake Control - Plug-In Simple

Hopkins Plug-In Simple Brake-Control Wiring Adapter - Ford
part number: HM47845

Designed for your vehicle with a factory tow package, this wiring harness plugs into the quick-connect harness located under your dashboard and into your Hopkins Agility, Impulse, Reliance or BrakeForce brake controller for easy installation.


  • Connects your Hopkins brake controller to your vehicle's factory tow package
    • 1 Plug is inserted into the back of your electric brake control
    • 1 Plug is inserted into the factory-installed port under your dashboard
  • Requires no cutting or splicing wires for installation - just plug and play
  • Works with Hopkins Plug-In Simple brake controllers (Agility, Impulse, Reliance and BrakeForce)
  • 90-Day limited warranty

Tech Tip: The OEM plug in your vehicle is located under the dashboard to the right of the steering column, behind the black pocket in the dash.

This brake-control wiring adapter will simplify the installation of your Hopkins electric brake controller. Once the brake controller is installed, the harness then plugs into a port under the dash. Because your vehicle has a factory tow package, all the wires for the brake controller have already been run from the 7-way trailer connector at the back of the truck to the plug under the dash. If your vehicle does not have a factory 7-way, additional wiring will be necessary to complete installation.

47845 Hopkins Plug-In Simple Brake-Control Wiring Adapter - Ford

Video of Hopkins Agility Trailer Brake Controller - Plug In - 1 to 4 Axles - Proportional

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Hopkins Brake Controller - Proportional Controller - HM47294 Review

Customer Reviews

Hopkins Agility Trailer Brake Controller - Plug In - 1 to 4 Axles - Proportional - HM47294

Hopkins Plug-In Simple Brake-Control Wiring Adapter - Ford - HM47845

Average Customer Rating:  4.8 out of 5 stars   (108 Customer Reviews)

Proportional brake controller mounts easily. Digital display indicates braking action of trailer. Fine-tune power adjustment has 5 levels so that you can set braking intensity to suit your towing needs. Designed for your vehicle with a factory tow package, this wiring harness plugs into the quick-connect harness located under your dashboard and into your Hopkins Agility, Impulse, Reliance or BrakeForce brake controller for easy installation.

- HM47294

by: George08/25/2018

Works just as good today as the day I bought it. Super simple installation, easy configuration, and it’s been rock solid reliable. 557966

- HM47294

by: Joe L.05/04/2013

Looking forward to many a miles use of the Hopkins Agility. Install was a snap ... recommend using sockets vs. a screw driver to secure the screws to the unit. 79000

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by: Russ R.07/22/2011

Installed the HM47294 with the GM Brake Wiring Adapter HM47795 on my 2005 Yukon XL. Installation took only about 15 minutes and works perfectly. Great product. Very impressed with how fast the delivery was processed and delivered. Ordered on Tuesday - delivered on Thursday. Great email communication throughout. Thanks again. 19923

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by: Harry07/12/2018

First I would like to say etrailer is a great company to work with, they made contact with me by phone no an email to let me know that my parts were bcaked ordered and if I I was pressed for time they would send another like unit ASAP. Though I haven't had the opportunity to try the brake control the wire harness I ordered for my 2002 chevy silveroda and Control went in with no problems 540714

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by: Ben T.03/28/2012

I was able to install the brake controller in less than five minutes once I located the plug underneath my dash. Etrailer had a video that even showed where to look on my vehicle. This unit is very easy to adjust and it is flawless so far. I had already purchased a controller in a local retailer's store but they didn't carry the adapter I needed in order to install the unit. had both units in stock and $20.00 less than my local store. I chose this unit because of the plug and play features and I know that if I want to change vehicles, I just need to purchase the corresponding adapter and I can easily transfer my Agility controller into my new vehicle. The shipping was fast and low cost. was my last stop during this project but they will be my first stop for my next trailer project!! 35377

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by: steve s07/01/2011

ok 18394


I need a Controller that can be removed when there is no need for it.

-- comment by: Noel W - 02/05/2014


Any of our controllers can be removed when not in use. Some are easier to remove than others. I have added links to controllers that have removable plugs for the harness and slide-in or snap-on style brackets so that no screws have to be removed to remove the controller.

-- Patrick B - 2/10/2014

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by: Kevin R.04/04/2018 made my product selection easy. They even showed the recommended wiring adapter without me having to search for it separately. This brake controller was easy to install and setup. This, in addition to a good price, made my purchase and installation easy. I would definitely choose them again for my camper and towing needs. 492582

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by: Butch S11/02/2016

This is a great product, and works perfectly for me. It is very easy to install; literally plug-and-play. I’m very satisfied w/ this unit. I had issue finding the factory installed brake control connecting cable on new 2016 Nissan Pathfinder Platinum. Had to take vehicle back to dealership and it took them 2 hours to locate and unwrap the connecting cable. I installed Hopkins Agility controller under dash above gas pedal (best location). Tight spot; used socket in hand to snug the 2 screws on right side of bracket. I remove the unit and secure the wiring under the dash (leaving installed bracket) when not towing. 315920

- HM47845

by: Pete08/17/2015

2011 Ford F-150

Product was exactly what I needed and the delivery was incredibly fast. Being that I work in an industry that customer satisfaction is always number one, I especially appreciate the follow up provided ensuring that a customer is happy with the product. 219793

- HM47294

by: Jeff H.09/11/2012

Excellent. I hooked this Hopkins controller up with the specified harness and after plugging it into the Factory OEM plus on my Honda Ridgline, all I had to do was add a 20amp fuse as they don't put it in the Ridgeline from the factory, but the manual does list that. Worked like a champ! This proportional controller allows my Ridgeline with the trailer to feel as if there is nothing on the truck when I'm breaking. Seems as if there is no trailer connected as compared to when I have pulled with electronic braking where you never seem to get the settings just right. 54187

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by: FREDERIC F.06/04/2017


- HM47294

by: Frank B07/07/2017

Just finished installing my Hopkins brake controller with the plug in wire harness for my Toyota Tacoma. Couldn't have been simpler. Took about 10 minutes. Took longer to find the factory connector which was part of the tow package on my truck. Nice product, also reached out to the tech department last night around 11pm and had the answer this morning at 7:30 am. That's great service, could have gotten it a little cheaper through another site, mainly because of free shipping but quality service like this is worth plenty. If I need any trailer accessories again etrailer will be who I call. 403544

- HM47845

by: Joshua05/14/2018

The item i clicked on was correct and the picture was accurate but i received this part for a newer truck which i can get in any store. I'm not paying one dime for return shipping. I found etrailer and thought it would be a good deal because i install hitches brake controllers and build trailers. But never again. No way in hell would i select the wrong part. Something happened on etrailers end not mine. 14bucks for return shipping in insane. When it's only a few bucks. But still etrail er should take care of it. I can order it on ebay cheaper with free shipping cheaper than the return price to etrailer. Be careful 508728


According to the information provided, you have a 2006 Ford F-150. For that vehicle, youd need the # HM47715
Hopkins Plug-in Simple Brake Wiring Adapter - Ford
harness. The harness you purchased is for 2009 and newer F-150 models.

-- Mike L - 05/15/2018


- HM47294

by: Thomas08/24/2018

Easy install with vehicle specific cable. Probably took me 30 minutes taking my time. Took the trailer for a short ride and everything seems to function perfectly. Haven't taken an extended trip yet. Easy if you check out the etrailer install video first. 557603

- HM47845

by: Don08/16/2018

Made it easy to connect my brake contro ller. 554449

- HM47294

by: Roy08/10/2018

Unit started up with no issues. The adapter cable plugged right in. Your install videos were right on. Thanks 552051

- HM47294

by: Daniel07/13/2018

Everything fit and functioned as promised. Thanks you. 541180

- HM47294

by: Edeleen07/05/2018

Your company was fantastic will delivery and customer service! Thanks Also making sure that I got the right part! 538360

- HM47294

by: Paul11/08/2018

received very quick! i have not installed the controller yet but i'm sure i'll be very pleased as a good friend of mine has one and loves it. i've used his truck and my trailer to haul my skid loader and the hopkins worked perfect. 581291

- HM47845

by: Eleazar04/20/2018

So far so good I haven't had any problems with it at all it works great. 498787

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by: Dana04/14/2018

Easy to install and work great 496566

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by: Dana04/14/2018

Easy to install and work great 497019

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by: Thomas03/11/2018

Used on my 2001 Ford E150 to tow a 3000 pound travel trailer. Install was straight forward and easy and it works great. Highly recommended. 483498

- HM47294

by: Jack11/28/2017

electric brake unit works great. Truck didn't come with this option. Just had to find a place to install it. Put it on floor below dash board out of the way of feet. 455505

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by: Gregt10/07/2017

Works well highly recommend tgis produ ct. 440509

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by: Barry07/25/2017

Quality as advertised. Great company. Will order again. 410464

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by: Rick T.07/23/2017

Installation was super easy. 413156

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by: Anthony R.07/20/2017

Installation photo 408158

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by: Mike S06/21/2017

Works great, was easy to install. If you purchase this make sure you get the Hopkins Plug-in Simple Brake Wiring Adapter also. is the best, worry free, one stop shop site for all your trailer needs. 397235

- HM47294

by: Kevin r05/08/2017

This plugged right in and works great.i don't know how it could function any better than it does.its nice to be able to push a button and just use trailer brakes 378035

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by: Perry04/11/2017

Just what I needed 365696

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by: mike04/10/2017

2012 Ford F-150

Worked perfectly right of the bat. 365222

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by: Adam Z.04/08/2017

Perfect 366404

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by: Jane04/06/2017

This is an easy to use, simple to install. Price is great. Did a test drive and it worked the first time out. 363987

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by: Tim M.03/24/2017

Everything I have ever ordered from etrailer has always been high quality and exactly what I need. I ordered on a sunday and they were delivered wednesday, something that never happens out here in the boonies. They are very helpful and I always recommend them to my friends. 360870

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by: Terry Long03/20/2017

Great product, very good instructions and easy to install. 356100

- HM47845

by: David L.03/13/2017

Makes installation so much easier. The videos provided helped greatly in locating the existing connector on my truck. 352209

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by: Paul02/28/2017

The two items that I ordered, Are absolutely a perfect fit, and the brake control hooked up so easy. 350444

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by: Steve02/03/2017

The website was clear enough for me to find the item I needed. I got exactly what I needed for my truck. 338362

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by: Luther Charlton02/02/2017

This controller works great. Simple to install using the vehicle specific harness. etrailer ships promptly. Just ordered another one for my son's truck. 337855

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by: Darrell H.01/12/2017

Great product and service. I just hooked it up and everything works like it should, great product and service, received it sooner than expected, trailer brakes work great on my new trailer. 334970

- HM47294

by: Harold S11/04/2016

Good Quality product. Well written installation and usage instructions. 313669

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by: jb07/18/2016

work great ship fast 273183

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by: Robin N07/14/2016

I have not yet completed the installation, but this should work well and meet the needs for any towing situations I'm likely to have. 271812

- HM47845

by: Mike S.07/08/2016

Honda Insight

Product made instulation of Hopkins Insight brake controller a snap, just plug and play. No wires to strip or trace. 269479

- HM47294

by: Justin07/05/2016

Works Great! Minimal installation and easy to use! 268377

- HM47845

by: Matt m07/04/2016

2009 Ford F-150

Was easiest install I have done. Took longer to take panel off to plug it in than get it working. Well worth it no wire splicing. 268049

- HM47845

by: Darren Hardee06/15/2016

Perfect fit works great great customer service thanks etrailer 261465

- HM47294

by: David S.06/04/2016

This brake controller was a good price and works great!! havent had any issues, and was easy to install. 257041

- HM47845

by: Clark M06/04/2016

Worked great Simple to install Able to use my older brake controller with a newer pickup 256840


When we need it, it works great, we now have a new trailer and it has given us no problems

Clark M - 06/05/2017

Show More Reviews

Ask the Experts about this Brake Controller
Do you have a question about this Brake Controller?

  • What is the AUX Power Pin for on a 7-Way Trailer Connector
  • Some trailers may need an auxiliary power source to power additional 12 volt items on the trailer but this isn't as common as you might think. Now instead of aux power reverse lights are more common on vehicle side trailer connectors (and still not used by all that many trailers). If your trailer does not need aux power and you don't want that circuit live at the connector you could remove that wire from the back of the 7-Way and cap it off with a wire nut, tape it up with electrical
    view full answer...

  • Using a Multimeter to Troubleshoot Electric Drum Trailer Brake Magnets
  • I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced. To further test your magnets, first make sure the trailer is not connected when performing this test. If the trailer is connected, you run the risk of shorting out the brake controller or various other electrical components. I attached an FAQ article
    view full answer...

  • How to Set Up a Hopkins Agility Brake Controller Part # HM47294
  • The proper settings are determined by a host of variables including trailer weight, size of trailer brakes, vehicle weight, size of vehicle brakes, and cargo inside vehicle. You can get started by following the Setting Your Controller portion of the directions. If you do not have a copy of the directions, I have added a link to them below. In order to set up your brake controller, you need to connect the loaded trailer to the vehicle, and drive to a large open area, like an empty parking
    view full answer...

  • Brake Controller is Not Recognizing Trailer when Connected to Tow Vehicle
  • No the trailer does not have to have a battery in order for a brake controller to work. The first thing I recommend to determine the problem is to clean the vehicle and trailer side connectors. They should be clean and free of corrosion inside where the wires attach and outside on the pins. To test the brake controller you will need to sever the blue wire several inches from the back of the controller. Then use a circuit tester such as # ALL640595 to test the end of the blue wire coming
    view full answer...

  • E1 Error Code on a Hopkins Reliance Trailer Brake Controller
  • The E1 error code on the Reliance brake controller indicates that a trailer is not connected. If the trailer IS connected and you get the E1 code, a probable cause is a dirty trailer connector. Check the trailer connector on the trailer and on the vehicle. Clean out any dirt or corrosion. Corrosion can build up behind the connectors where the wires attach as well. It is also possible that you have blown the stop light fuse. Check the owners manual for the location of the stop light fuse
    view full answer...

  • Location of Brake Control Connector on 2006 Dodge Ram 2500
  • If your Ram is equipped with the tow package including the 7-way trailer connector on the rear bumper, the connector for installing your brake controller will be located above the white junction box behind and a bit above the emergency brake pedal. The connector is usually light blue in color. If the plug is present, you'd need the # HM47755 brake controller wiring to install the Hopkins Agility brake controller in your Ram. If your Ram was not equipped with the trailer connector, the
    view full answer...

  • ITBC on 2012 GMC Sierra Malfunctioning when Used on Some Trailers
  • I think you might be on the right track thinking that your ITBC is picking up on ground problems that an aftermarket brake controller would not. In my research, I found posts on several different forums indicating that the ITBCs are indeed very sensitive to any excess resistance. I found a few folks who recommend starting your tow vehicle, THEN plugging the trailer in. Apparently in some cases, this will help. As far as your ITBC being faulty, I can tell you that on the earlier ITBC
    view full answer...

  • What does the SC Error Code Mean on a Hopkins Impulse Brake Controller
  • The error code SC means that the Impulse brake controller has detected a short circuit. To the best of my knowlege, there is not a CS error code on Hopkins brake controllers. You should check the brake controller connection under the dash to be sure it is wired correctly. The red wire should be inserted into slot A for 1999-2002 GM trucks or slot D for 2003 to 2006, and 2007 Classic body, GM trucks. If you do not have a Chevrolet truck, or the pin is inserted in the correct position
    view full answer...

  • Troubleshooting Hopkins Agility Brake Controller Not Engaging Trailer Brakes with Brake Pedal
  • The first thing I would check on the Hopkins Agility Electric Brake Controller, # HM47294, is the red wire. On your 2001 Ford F-350, you can use the Hopkins Plug-in Simple Brake Wiring Adapter, # HM47715. This harness plugs into the brake controller and the other end plugs into a port under the dash of the truck. If you used this harness, or if you hardwired the brake controller, use a circuit tester like # ALL640595 to probe the red wire on the back of the brake controller. When you
    view full answer...

  • No Trailer Brake Lights When Towed by 2002 Chevy Silverado 2500 with Hopkins Brake Controller
  • Since you have successfully tested your trailer with other tow vehicles you have isolated the problem to your 2002 Silverado. You do not mention whether this vehicle/trailer combination has ever worked together properly before. If so, the problem could be deteriorated connections or a bad ground. If not, the harness may have been incorrectly wired from the start. One solution is to just remove all the existing wiring and install a powered taillight converter such as part # 119190. I
    view full answer...

  • Troubleshooting a Hopkins Impulse Brake Controller Showing E1 and E2
  • The E1 error code on Hopkins brake controllers indicates that a trailer is not connected. If you do not have a trailer connected it will continue to display E1. If this happens when a trailer is connected then that could indicate a problem on the brake output circuit (Blue wire). The E2 error on your Hopkins brake controller indicates a short to the blue wire. The most likely culprit is a dirty or corroded vehicle/trailer connector and is causing the controller to work intermittently.
    view full answer...

  • Adding an Auxiliary Power Circuit to a 7-Way Trailer Connector on a 2011 Chevy Silverado 1500
  • First, use a circuit tester like # ALL640595 if needed, to test the 7-Way trailer connector. The 12 volt circuit will be in the 1 oclock position. If the trailer side connector pin that corresponds with the 12 volt circuit is connected to the battery on the trailer, then you will not have to change or add anything. If it is not, you can either connect the battery to that circuit or use the auxiliary pin in the center. Again, use the circuit tester to test the center pin. It may be connected
    view full answer...

  • Settings on Husky Quest/Hopkins Agility Trailer Brake Controller
  • Though we do not offer the Huksy Quest brake controller, the Quest is made by Hopkins and is the sister controller to the Hopkins Agility Trailer Brake Controller # HM47294. I've linked the instructions manual for the Agility to this page to help you set your Quest controller. The settings 1 through 5 are used to set the controller's sensitivity. Setting the controller to 1 indicated the least sensitive, while 5 indicates the most sensitive. The sensitivity can be adjusted by pressing
    view full answer...

  • Installing an Electric Trailer Brake Controller on a 2008 Chevy Avalanche
  • If your 2008 Chevy Avalanche came with a factory installed 7-Way trailer connector, it will have wiring for the brake controller under the dash. It will not have a port you can plug into, but the wiring will be already ran and you just have to make 4 connections. The wire bundle will be located under the dash, to the left and above the brake pedal. The bundle will be held together with a white tag. On the tag, the functions of the wires should printed. On the tow package wiring from
    view full answer...

  • Factory Integrated Trailer Brake Controller Setup on a 2011 Chevy Silverado
  • To setup up the integrated brake controller that is on your 2011 Chevy Silverado you will need to first attach the 7-way from your trailer to the 7-way of your truck. Your truck should automatically detect that a trailer is connected at this point. If not, press one of the gain buttons of the controller to bring up the current trailer gain setting that you have. Next, you will want to set the correct trailer gain setting. To do this you will want to pull the trailer at about 25 MPH and
    view full answer...

  • How to Install Trailer Brake Controller on 2013 Chevy Silverado
  • The location and function of the tow package wiring has not changed from the 2012 to the 2013 model Silverado. The Tekonsha Prodigy P2 would install exactly as shown in the video you referred to (see link). The controller will directly wire into the tow package wiring, but the wire color will not match up exactly. The red/black striped tow package wire connects to the black brake controller wire. The lighter blue and white striped tow package wire connects to the red brake controller
    view full answer...

  • Brake Controller Power Wire Connection Location on a 2012 Chevrolet Silverado Pickup
  • It sounds to me like the 12 volt wire you found attached to the stub at the power distribution box under the hood on your 2012 Chevrolet Silverado is the 12 volt power wire for the 7-Way trailer connector at the rear of the truck. The power wire for the brake controller should be located between the power distribution box and the fender well. I recently took a photo of these wire locations on a 2012 Suburban that should help you locate your brake controller power wire, see link. We
    view full answer...

  • Troubleshooting 47285 Reliance Brake Controller Issue With No Power to Trailer Brakes
  • You should have some connections underneath the hood that will need to be made on your 2004 Chevrolet Silverado in order to power the trailer brakes. Access your accessory fuse block by first removing the bracket nearest to the driver, then removing the top and lower covers. Once you have access to the fuse block, you should see a red wire with a ring terminal, and a blue wire with a small plug on the cab side. The red wire must be connected to the closest positive post, which will
    view full answer...

  • Which Brake Controller Should I use on a 2005 Chevrolet Tahoe with Factory Trailer Connector
  • The part you were looking at includes the harness for Ford vehicles. If you want to use the Hopkins Agility, the part number you would need is # HM47294 and # 47795. It has the plug-in harness for your 2005 Tahoe brake controller port. That port will only be active if your Tahoe came with a 7-Way trailer connector from the factory. I would strongly encourage you to get the Tekonsha Prodigy, part # 90885 and adapter part # 3015-P. It is our best selling brake controller and is one of
    view full answer...

  • Fuse Location for Brake Controller on a 2005 Chevy Tahoe
  • On your 2005 Chevy Tahoe, if using a Hopkins brake controller you would need connector # HM47795. If it is a Draw-Tite, Reese, or Tekonsha harness you would use # 3015-P. For a Curt controller you would use # C51352. For a Hayes controller you would need # HA81780-HBC. None of these harnesses come with a fuse. It is possible that you are referring to the factory brake controller wiring harness that is included with some vehicles. If that is the case then the fuse for the brake controller
    view full answer...

  • Hopkins Brake Controller Wiring Harness for a 2018 Ford F-150
  • Hopkins does indeed list brake controller wiring harness # HM47845 as a fit for the 2018 Ford F-150. There is a little cubby hole on the center console to the right of the steering wheel on the truck. Behind this cubby hole is the connector you need to plug in the brake controller. I included a drawing of the location.
    view full answer...

  • Troubleshooting Brake Controller On 2003 Chevrolet Silverado When Trailer Brakes Dont Work
  • There are a couple of items that are causing your brake controller problem. The problem can be caused by either the stoplight wire incorrectly installed, or the adapter you are using is not designed for the brake controller you have. The plug-in adapter from Hopkins we show that is designed to fit a 2003 Chevrolet Silverado is part # HM47795. It is designed to fit certain models of Hopkins brake controllers like Hopkins Agility Trailer Brake Controller (HM47294), and Hopkins Reliance,
    view full answer...

  • Installing Brake Controller And Wiring Harness On 2015 Ford Flex Without Factory Tow Package
  • I have attached a drawing that shows how the wires are run for the # ETBC7 and brake controller wiring. There is no plug-in adapter available for a brake controller for your Flex with no factory towing package so it will be a hardwire installation. I called my contact at Tekonsha and they said the plug you sent the photo of is not the connector used for a brake controller. You will need to use the circuit tester that came with the # ETBC7 to test the wires on your Flex. The red wire
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  • Brake Controller Recommendation and Installation for a 2005 Chevy Tahoe
  • There are a few connections you need to make under the hood of your 2005 Chevy Tahoe before the brake controller wiring will be complete. Check out the FAQ article I attached to see the connections that need to be made. Once complete you will be able to install a brake controller like our best selling/performing proportional brake controller the Prodigy P2 part # 90885 with the install harness part # 3015-P.
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  • Brake Controller Wiring Harness for a Hopkins Brake Controller and 2012 Ford F-150 XLT
  • Brake controller wiring harness # HM47845 is the correct harness for a 2012 Ford F-150 XLT and a Hopkins Reliance brake controller. I have linked a video showing installation of a different controller and harness on a 2012 F-150 but it will be the same with the Hopkins parts on your truck.
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  • 2008 Ford F-250 Will Not Start or Crank After Installing Hopkins Brake Controller
  • First let's make sure you are using the proper brake controller wiring harness for your 2008 Ford F-250. For a Hopkins brake controller you should be using # HM47855. It would not hurt to make sure that it is also plugged into the correct plug on your truck. I am fairly certain there is only one though but it never hurts to make sure. If your truck came with a brake controller pigtail from Ford and you hardwired the controller to it then the wire colors would not match up between the
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  • Installing Hopkins InSIGHT Trailer Brake Controller on 2017 Ford F-150 with 7-Way Connector
  • Since your 2017 Ford F-150 already has the factory 7-Way connector at the rear of the truck, you will just need the Hopkins Plug-In Wiring Adapter # HM47845 to install the Hopkins InSIGHT Trailer Brake Controller # HM47297 referenced in your question. Your F-150 has a built-in brake controller port located under the dash in your cab, to the right of the steering column (behind the black pocket in the dash). All you need to do is connect one end of the Plug-In Harness to the controller
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  • Hopkins Reliance Brake Controller Installation in 1999 Ford F-250 Super Duty
  • You can install your Hopkins Reliance hardwire-type trailer brake controller in your 1999 Ford F-250 by using harness part # HM47715. Just cut off the flat connector, splice the wires to your Reliance color for color using butt connectors like # DW05745-5 and plug it in to the under-dash port as shown in the linked video.
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Info for these parts were:

Photos by:
Theodore B
Expert Research:
Jackie C
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Michael L
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Sarah L
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Robert G
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Patrick B
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Michael H
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Jeff D
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Reno H
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Jameson C
Video Edited:
Joshua S
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John H
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Brandon M
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Adam R
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Lori W
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Jeffrey L
Updated by:
Sarah W
Updated by:
Alexander C
Test Fit:
Brent H
Written by:
Tyler C

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