Redarc Tow-Pro Classic Trailer Brake Controller - 1 to 3 Axles - Preset

Redarc Tow-Pro Classic Trailer Brake Controller - 1 to 3 Axles - Preset

Item # 331-EBRHV2

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Brake Controller 331-EBRHV2 - Electric,Electric over Hydraulic - Redarc
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  • Redarc
  • Off Road Towing
  • Electric
  • Electric over Hydraulic
  • Up to 3 Axles
  • Out of Sight Mount
  • Automatic Leveling
  • 360 Degrees
  • Indicator Light
The best technical support and full brake controller installation instructions. Lowest price Tahoe brake controller guarantee and expert service. Chevrolet Tahoe, 2018 brake controller by Redarc are available from For expert service call 800-298-8924 to order your Redarc Tow-Pro Classic Trailer Brake Controller - 1 to 3 Axles - Preset part number 331-EBRHV2, or order online at

  • All Info
  • Reviews (10)
  • Q & A (8)
  • Videos (4)
  • Photos
  • Why etrailer?

Redarc Brake Controller - 331-EBRHV2

Mount the control knob of this brake controller on your dash or console, and affix the main unit in an out-of-the-way spot. Controller activates trailer brakes with a preset intensity when you apply the brakes in your vehicle. Great for off-roading.


  • Brake controller activates trailer brakes with preset intensity
    • Signal is sent to trailer brakes when tow vehicle's brakes are activated
    • Immediate activation is great for off-roading
  • Control knob mounts in dash or other easily accessible area
    • Allows for fast and easy adjustment of braking power with turn of the dial
    • Provides accessible manual override - just press the knob to activate
    • Offers simple diagnostics with bright, colored LED
  • Main unit installs out of sight
    • No more banging your knee on a bulky controller
    • No interference with airbags or other vehicle accessories
    • No hard-to-reach override lever or impossible-to-read screen
  • Made in Australia


  • Application: trailers with up to 3 axles (6 brake assemblies)
    • Designed for use with electric or electric-over-hydraulic trailer brakes
    • Works with 12-volt vehicle electrical systems
  • Main unit dimensions: 3-3/8" long x 3-15/16" wide x 1-1/8" tall
  • Control knob dimensions: 2-3/8" long x 3/4" wide x 7/8" tall
  • Output voltage range: 9V - 16V
  • Output current rating: 25 amp continuous
  • Maximum charging voltage: 12V DC
  • 2-Year warranty

Redarc Tow Pro Classic Remote Head Diagram

Preset, User Controlled Braking

The Tow-Pro Classic applies your trailer's brakes when the brake pedal in your tow vehicle is engaged. Every time you apply the brakes in your vehicle, a signal is sent - via the brake switch - to the controller. The controller then sends power out to your trailer brakes to activate them with an intensity set by you. The amount of braking power can be adjusted to suit your preference, the road conditions, type of trailer, and size of the load. To determine which level is best for your application, you must test out your towing setup and choose what feels best.

Unlike a proportional brake controller, which activates your trailer's brakes based on the deceleration of your tow vehicle, the Tow-Pro Classic sends power out in the same way each time the brakes are engaged, no matter the braking situation. This means that you have complete control over each braking event.

Having this control over your braking is particularly important when overlanding or towing a trailer off-road because you may need to alter the trailer's braking based on the specific terrain and situation that you find yourself in. If you tow through sand or mud, for example, you'll want to keep the Classic's braking power turned down low so that when you activate the brakes in your vehicle, the trailer doesn't stop with too much force and bite into the sand. In this instance, if the braking intensity is set too high, your trailer can act as an anchor on your vehicle.

If you are towing a trailer down a steep descent, you will want to have the brake power set to a higher level to ensure that the trailer's momentum doesn't cause it to push against the tow vehicle. The fact that this controller activates your trailer's brakes immediately is helpful in this situation as well. Unlike a time-delayed controller, the Classic makes sure your trailer brakes activate as soon as you apply your vehicle's brakes, which is particularly important when you're traveling down a steep hill.

Tow-Pro Classic Operation

The dash-mountable control knob on the Tow-Pro Classic makes it easy to control your trailer's brakes. In addition to offering fast, simple power adjustment, this knob has an LED indicator that changes color to display different information about the controller.

Redarc Tow Pro Classic User Controlled LED Signal

A solid green LED light on the control knob will signal that the unit is connected to your trailer's brakes.

This knob lets you set the maximum amount of power that will be applied to your trailer's brakes. Typically, this power is only readjusted when you experience changing road conditions or if you switch over from a heavy, loaded trailer to a much lighter, empty trailer, or vice versa. To get more power to your brakes, rotate the switch clockwise. To decrease the power output, rotate it counterclockwise.

Redarc Tow Pro Classic Brake LED Intensity

When you apply the tow vehicle's brakes, a red LED light will signal that power is being sent back to the trailer brakes. As you increase brake power with the control knob, the light will glow brighter, indicating the increased braking power.

This light will also glow at its brightest when the manual override is activated. To engage the manual override, just push down on the control knob and the trailer's brakes will activate with an intensity that matches the preset power level on the controller. Once you stop adjusting the power, or once the override is released, the LED light will fade to its normal appearance. This is designed to be easier on your eyes at night, while still presenting a visual indicator.

Simple, Out-of-the-Way Installation

The Tow-Pro Classic comes in 2 pieces - the main electronic unit and the control knob. Because the only part that you need to be able to access is the control knob, the main unit can be mounted in an out-of-the-way location. So you no longer have to worry about a bulky brake controller scraping against your leg or causing interference with your vehicle's lower airbags.

Redarc Tow Pro Elite Classic Mounted Remote Knob

The dash-mountable control knob can be mounted in a convenient spot that is easy for you to see and access. This can be a blank switch panel, an open area on your center console, or wherever there's space on your dashboard.

Once you have determined where to mount the control knob, you will want to find a good place to install the main unit. The only mounting restriction for the unit is that the included 3' plug-in cable is able to reach between the main unit and the control knob.

The included connector plugs into the main unit so that, once wired, you can easily unplug and remove the unit if you need too. This connector does not come pre-wired. You will have to use 16-gauge wire (16-1-1 - sold separately) to make the connections between the connector and your vehicle.

For assistance in properly wiring the Tow-Pro Classic, please refer to the diagram below:

Redarc Tow Pro Classic Wiring Diagram

Installation Accessories

See'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.

Note: A 30-amp circuit breaker kit (331-CBK30-EB - sold separately) may be required for installation.

EBRHV2 REDARC Tow Pro Classic Trailer Brake Controller - 1 to 3 Axles - User Controlled

331-EBRHV2 Installation InstructionsInstallation Details 331-EBRHV2 Installation instructions331-EBRHV2 Installation InstructionsAlternate Instructions 331-EBRHV2 Installation instructions

California residents: click here

Video of Redarc Tow-Pro Classic Trailer Brake Controller - 1 to 3 Axles - Preset

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

Video Transcript for Redarc Tow-Pro Classic Trailer Brake Controller Review

Speaker 1: Today we'll be having a look at the Redarc Towpro classic trailer brake controller, part number 331-EBRHV2. Here's where our Redarc Towpro classic looks like installed. As you'll notice, what's great about this brake controller, compared to other options on the market, is this will allow us to control our electric trailer brakes without having a big bulky brake controller mounted underneath our dash which takes up valuable leg room. Especially in vehicles that have limited space in front of the drivers seat. This is also a great solution for vehicles that have knee airbags underneath the dash because you can't mount a brake controller over the airbag. That would cause a problem if the airbag was ever to deploy.Now what sets this brake controller apart from others on the market too is that this is a completely user controlled brake controller.

It's not proportional and that makes it great for those of you who are into off roading and perhaps have an overlying camper or need to tow a trailer across rough terrain. With the proportional brake controller, when your foot is on the brake if you're going over rough terrain, the jostling of the G sensor inside of the proportional brake controller could confuse it and cause the brakes to be applied, even when you don't need them to be applied heavily. If your foot's just on the brake to control your speed and you hit a rough bump, then it could apply more pressure than what is actually needed for your trailer brakes.With a user control one, such as this, the power level only goes up to where you need it. Unlike other brake controllers, when your foot's on the brake and your vehicle's at a stop, after awhile, the brake's will shut off and won't have any more power being applied to them. With this user controlled on, you can actually have the brakes on as long as you need them and you can use that as a feature to help keep your trailer in place as you're going down a steep descent.

Slowly over rocks or on a beach for example if you are going across and, if you turn the brakes all the way down you won't have to worry about the trailer acting as an anchor and in getting your vehicle stuck.What I really like about this controller, is that it is super easy to use. To adjust the power level of our brakes, we have a know that starts off at zero and goes all the way up to 10. As you increase the power, you can see the color of the LED will change from a green to a yellow to an orange to a bright red. The brighter red it is, the more power is being applied.As you apply the brakes, they'll slowly apply power to the maximum level where you have it set. So you don't have to worry about the brakes immediately locking up and causing a jerking sensation.

This will smoothly apply the power giving you the maximum power to stop that you need. We also have a manual override where can apply just the brakes on the trailer by simply pressing in on the switch. It's the same way. It'll slowly bring up the power level to the maximum where you have it set.This is a great solution if your trailer starts to sway behind you and you need to bring it back in line or if you start to jackknife. You don't want to slow down your vehicle.

You only want to slow down the trailer. Just press the button, it will slow the trailer down, and bring it back in line behind.Now here's the product GP3 that we we're talking about earlier. This is a great brake controller. Proportional brake controller. It'll allow us to do electric brakes, electric over hydraulic brakes, as well as the Redarc does the same as that as well. Typically you want a proportional brake controller in most applications for normal use on the road. However, the Redarc is a much better suited brake controller for off road use and it still works just fine when you're on the road. You'll also notice, how much smaller it is and you can mount it virtually anywhere.That completes our look at the Redarc Towpro Classic Trailer Brake Controller, part number 331-EBRHV2.

Customer Reviews

Redarc Tow-Pro Classic Trailer Brake Controller - 1 to 3 Axles - Preset - 331-EBRHV2

Average Customer Rating:  4.7 out of 5 stars   (10 Customer Reviews)

Mount the control knob of this brake controller on your dash or console, and affix the main unit in an out-of-the-way spot. Controller activates trailer brakes with a preset intensity when you apply the brakes in your vehicle. Great for off-roading.

- 331-EBRHV2

I love the small size of brake dial. It must be very sensitive however because I am towing around 3k lbs with my Ridgeline and it’s only on 2-3. The wiring color diagram was not as my OEM harness but I figured it out. Love the small size the most and thats what I really wanted. I used a knockout on the dash and it fit in nicely with a few modifications. 651347

- 331-EBRHV2

I’ve been eyeing these Red Arc controllers up for a while. I have a new Cherokee (KL) and there is NO good place for a brake controller in this vehicle. The cabin is tight and there is a knee air bag that prevents traditional mounting under the steering wheel. I ended up mounting the control knob in the dash, next to the headlight switch and everything seems to be working well, so far. The only complaint I have is that I feel the construction of the control knob assembly and controller housing are a bit cheap compared to the cost. I mean really, it wouldn’t take much effort/cost to pot the electrical components which would result in waterproof and more durable components. Overall though, I’m pretty happy with the controller so far and would purchase again. I may pick up the pro model for my Dodge Ram as I do appreciate not having a big controller hanging off the bottom of the dash. 476794

- 331-EBRHV2

Took me a while to finally get over the price of this brake controller and I'm glad I finally did. It was an easy install, and the control knob was mounted in a perfect spot out of the way and unobtrusive. Exactly why I bought it. I'm very pleased. I installed it myself, but if you are not familiar with wiring then letting a pro install it for you might be the way to go. I personally do not like progressive rate controllers so this is a perfect fit to go in my Jeep JK Wrangler. 500221

- 331-EBRHV2

Easy install. Great price. Works flawlessly. Very happy with my purchase and especially got great advise and help from Tiffany. What can I say. She really knows her stuff. Pure delight to work with. Made my decision very easy. Thank you! 584070

- 331-EBRHV2

Brake controller works well; But I had a hard time finding a location for the button under - behind my dash, ended up locating it on the right side of the steering column still tight but is working. 2010 Honda pilot. 497030

- 331-EBRHV2

The brake control was easy to install and works perfectly every time! 688284

- 331-EBRHV2

I wanted something that would be out of the way was a fairly simple installation with some measurements to make sure it would go where I wanted it . 2018 GMC SLT 680286

- 331-EBRHV2

I wanted something that would be out of the way was a fairly simple installation with some measurements to make sure it would go where I wanted it . 680282

- 331-EBRHV2

Easy to install except metric sizing for wire and holes 651442

- 331-EBRHV2

When my brake controller died 6 days before my family trip to Florida, George and the eTrailer team expedited my order and made sure I received the replacement in time to install it before our trip. Great service and a helpful team! Thank you.. 494025


Ask the Experts about this Redarc Brake Controller

Do you have a question about this Brake Controller?

  • Comparing Redarc Tow-Pro and Tow-Pro Elite to Other Brake Controllers On The Market
  • The Redarc Tow-Pro Elite Trailer Brake Controller - 1 to 3 Axles - Proportional # 331-EBRH-ACCV2 and the Tow-Pro # 331-EBRHV2 are different from their competitors in two ways. The first is their mounting location. The size of the controller allows mounting under the dash and puts the control within any normal dash mount location for a clean look that you won't hit your knees on and will allow for the newer knee air bag systems. The second is only in the Elite and its ability to switch...
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  • Can the Control Knob from the Redarc Tow-Pro Elite be Used for the Tow-Pro Classic
  • I spoke with my contact at Redarc who said that the control knob # 331-EBRH-ACCV2-RH for the Tow-Pro Elite is specific for that system so unfortunately if you wanted that knob you would need the Elite part # 331-EBRH-ACCV2 instead of the Classic part # 331-EBRHV2. If you haven't already purchased the Tow-Pro Classic then you may want to consider purchasing the Tow-Pro Elite because it does come with advantages other than a better looking control knob. The Classic is a time-delayed...
    view full answer...

  • Can the Adapter # 3031-S be Used with the RedArc Classic # 331-EBRHV2 on a 2018 Toyota Tacoma
  • Yes, the Adapter Pigtail # 3031-S plugs in directly to the connector under the dash of your 2018 Toyota Tacoma and allows you to splice the open wires into the Redarc Tow-Pro Classic # 331-EBRHV2. I have attached a review video and installation details for you to check out.
    view full answer...

  • Brake Controller Availability to Mount Into Dash of 2010 Ford F-150
  • I don't have a factory Ford brake controller for your 2010 F-150, but I do have an option for you to install a brake controller and still have a clean looking dash. Since mounting spaces can vary between year/make/models of vehicles the best option that I have for you is a Redarc brake controller. Redarc has their Tow-Pro Classic # 331-EBRHV2 or their Tow-Pro Elite # 331-EBRH-ACCV2 which can be mounted anywhere (even behind your dash) because the user controlled part of the brake controller...
    view full answer...

  • Parts Needed To Tow a Travel Trailer With Brakes Using a 2016 Ford F-150 XLT
  • In order to setup your 2016 Ford F-150 XLT for towing the Keystone Outback Ultra-lite 260UML you will need a trailer hitch, trailer wiring harness, and brake controller. These will be all that is required but I would also recommend a weight distribution system as well to both help with vehicle sag and potential trailer sway issues. For a trailer hitch, I recommend the Curt Trailer Hitch Receiver part # C13118 which is a custom fit because it has a hidden cross tube (see photo). For...
    view full answer...

  • Hopkins Agility Brake Controller Will No Longer Adjust
  • If you are attempting to adjust your Hopkins Agility Trailer Brake Controller # HM47294 are are pressing the up and down arrows without a response, unfortunately that means the controller is shot as there would not be any wiring issues causing this. The good news is this controller does have a lifetime warranty, although I strongly recommend going with a more reliable brake controller such as the Redarc Tow-Pro # 331-EBRHV2. I you let me know the year, make and model of your vehicle...
    view full answer...

  • Compatibility of Redarc Tow-Pro and Curt Spectrum Controllers with HydraStar EOH Actuator
  • I spoke to my contact at HydraStar who said that the Redarc Tow-Pro Classic # 331-EBRHV2, the Tow-Pro Elite # 331-EBRH-ACCV2, and the Curt Spectrum # C51170 are compatible with the HydraStar Marine Electric Over Hydraulic Actuator # HS381-9067 that you referenced. If you let me know the year/make/model of your tow vehicle I can see if we have specific installation instructions or an adapter available.
    view full answer...

  • Install Adapter Needed to Install Redarc Tow Pro Classic in 2016 Ford F-150
  • To install the Redarc Tow Pro Classic Brake Controller part # 331-EBRHV2 you referenced in your 2016 Ford F-150 with the factory tow package all you need is the install harness part # 331-TPH-007 which plugs into the port on your truck that's under the dash.
    view full answer...

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Info for this part was:

Edited by:
Lindsey S
Expert Research:
Jameson C
Video Edited:
Joshua S
Installed by:
Cole B
Video Edited:
Chris R
Written by:
Leah S
Test Fit:
Brent H
Updated by:
Brian T
Updated by:
Hannah L
Updated by:
Kristina F

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