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  1. Trailer Brake Controller
  2. Redarc
  3. Electric
  4. Electric over Hydraulic
  5. Proportional Controller
  6. Up to 2 Axles
Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional

Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional

Item # RED52VR
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Our Price: $159.50
Trailer Brake Controller

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Product Expert Kathleen M

Is this right for you? Product Expert Kathleen M says:

Yes, if you:

  • Like the look of your vehicle’s interior and don’t want to ruin it with a clunky brake controller
  • Have heard good things about the Redarc Tow-Pro Elite but usually stick to the main roads

No, if you:

  • Are intimidated by pulling panels or drilling into your interior to get this installed
  • Rely on the manual override to feather the brakes if you need to reduce sway or if someone cuts you off
  • Want to see your braking status at a glance - this one can be easy to miss
Mount the control knob of this proportional brake controller on your dash for a factory look, and install the main unit out of sight behind the dash with the included wiring harness. Control your braking power with the turn of a dial. Lowest Prices for the best trailer brake controller from Redarc. Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional part number RED52VR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (743)
  • Q & A (0)
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  • Why etrailer?

Redarc Trailer Brake Controller - RED52VR

  • Electric
  • Electric over Hydraulic
  • Proportional Controller
  • Up to 2 Axles
  • Redarc
  • Indicator Lights
  • Dash-Mounted Knob
  • Hidden
  • Automatic Leveling

Mount the control knob of this proportional brake controller on your dash for a factory look, and install the main unit out of sight behind the dash with the included wiring harness. Control your braking power with the turn of a dial.


Features:

  • Brake controller activates trailer brakes in proportion to your vehicle's braking
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
  • Dash-mounted knob keeps your vehicle interior looking sleek while giving you easy access to the brake controller
    • Lets you adjust braking power with the turn of a dial
    • Gives you a manual override at your fingertips
    • Offers simple diagnostics with colored LED alerts
  • Main unit mounts out of sight behind the dash in any position, direction, and angle
    • No more banging your knee on a bulky controller
    • No interference with airbags or other vehicle accessories
  • Universal wiring harness lets you connect to a vehicle without a factory tow package
    • Plug-in, vehicle-specific adapter (sold separately) can be used to reduce installation time on certain vehicles
  • Meets or exceeds both UNECE R21 and FMVSS 201 regulations for sustainability and safety
  • Made in Australia


Specs:

  • Application: trailers with up to 2 axles (4 brake assemblies)
    • Compatible with electric or electric-over-hydraulic trailer brakes
  • Main unit dimensions: 4" long x 3-3/8" wide x 1-1/8" tall
  • Control knob dimensions: 1-7/8" long x 9/16" wide x 3/4" tall
    • Length without dial: 1-1/4"
  • Output voltage range: 9V - 16V
  • Output current rating: 18 amps continuous
  • Maximum charging voltage: 12V DC
  • 2-Year warranty


Proportional Braking

What is proportional Braking

The Redarc Tow-Pro Liberty Brake Controller comes equipped with proportional braking to give you the best towing experience. Proportional braking means that your trailer brakes mimic your tow vehicle's brakes. If you slam on the brakes in your vehicle, your trailer brakes will activate with the same intensity; if you brake lightly, your trailer brakes lightly too. The trailer's braking is in proportion to your vehicle's braking. This saves wear and tear on the tires and the brakes on both your vehicle and trailer.


The Tow-Pro Liberty uses an internal 3-axis accelerometer to sense how your vehicle is braking so it can send the right amount of braking power to your trailer. It measures the inertia of your tow vehicle and activates the trailer's brakes to slow at the same rate. The result is uniform braking across your towing setup. No push-pull action - just smooth, proportional braking every time.


Tow-Pro Liberty Operation

The dash-mounted knob puts control of your trailer's brakes at your fingertips. In addition to offering fast, simple power adjustment and an easily accessible manual override, it has colored LED signals that let you know what the brake controller is doing at a glance.


Redarc Tow Pro Liberty Calibration

When you are calibrating the brake controller for the first time, the LED lights will signal your progress. To finish setting up the device, you will need to drive your vehicle in a low-traffic area and brake 20 times or so to let the unit learn its orientation and the direction of travel. If your trailer is connected, the LED light will flash green/blue as it processes the information. If there is no trailer connected, the unit will still calibrate, just without the knob lighting up. The knob will stay blue longer as the calibration process gets closer to being done. When the display turns solid blue, initial calibration is complete. The unit will remain calibrated for the next time that you tow. If recalibration is required, it will happen automatically and without LED indication.


Once the brake controller is activated, you can use the knob to 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 knob clockwise toward 10. To decrease the power output, rotate it counterclockwise toward 0.


Redarc Tow Pro Liberty Braking Output Red Light

When you apply the tow vehicle's brakes, the knob will change from blue to red to signal that the trailer brakes are being activated. The higher the braking power output, the deeper the red that you will see.


Redarc Tow Pro Liberty Manual Override

The Tow-Pro Liberty keeps the manual override within easy reach, great for stopping sway or controlling your trailer's momentum in emergencies. To engage the manual override, just press the control knob. This will activate the trailer's brakes and brake lights without you having to apply the brakes on your tow vehicle, perfect for limiting trailer movement while you're cruising.


Simple, Out-of-the-Way Installation

Unlike most proportional controllers on the market, the Tow-Pro Liberty has almost no mounting restrictions. It comes in 2 pieces - the main 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 out of sight and out of the way. You don't have to worry about dinging your knee on a bulky brake controller or interfering with your vehicle's lower airbags.


Redarc Tow Pro Liberty Dash Mounted Remote Knob

The dash-mounted control knob can be installed in any convenient spot that's easy for you to see and access. This can be a blank switch panel, an open spot on your center console, or wherever there's space on your dashboard. A universal mounting panel is included to ensure a clean, from-the-factory look. Custom-fit panels are available for certain vehicles as well. Before you do any drilling, be sure there's room behind the dash for the entire knob to install, including the part you don't see!


REDARC Tow Pro Liberty Flexible Installation Position

Once you've decided where you want to put the control knob, you'll need to find a good place to install the main unit. Your only restriction is the 3' plug-in cable that has to be able to reach between both the main unit and the control knob. Securely mount the box using screws, double-sided tape, or zip-ties (not included). A mounting kit (RE67FR - sold separately) is also available for the Tow-Pro Liberty. Do not zip-tie the box to wiring or cables that can shift as you drive.


REDARC Tow Pro Liberty Harness

The included wiring harness hardwires into your vehicle's wiring and then plugs directly into the main unit. You can also use a vehicle-specific wiring harness (sold separately) to cut down on installation time. These harnesses are available for most newer trucks and SUVs. One end of the custom harness will plug into your vehicle, and the other end will hardwire onto the Tow-Pro harness that plugs into the main unit.


For assistance in properly wiring the Tow-Pro Liberty, please refer to the diagrams below:


Redarc Tow Pro Liberty Wiring Diagram

Installation Accessories

See etrailer.com'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 also be required for installation.




EBRH-ACCNA Redarc Tow-Pro Liberty Brake Controller

TPH-025 Redarc Wiring Harness for Tow Pro Electric Brake Controllers

Installation Details RED52VR Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional - RED52VR

Average Customer Rating:  4.8 out of 5 stars   (743 Customer Reviews)

Mount the control knob of this proportional brake controller on your dash for a factory look, and install the main unit out of sight behind the dash with the included wiring harness. Control your braking power with the turn of a dial.

by:
2000 Gulf Stream Conquest Ultra Sport Motorhome

Easy to install out of way and still reach activation button.2017 wrangler




by:
2013 Toyota Tundra

I was replacing an older style controller. The wiring was just about the same and was very easy to adapt with soldered connections and shrink tube. The control knob turned out very factory looking with the proper dash insert. Just tried out once with the tailer but really works well. Definitely recommend!!




by:
2004 Honda Pilot

I haven’t had a chance too test it on the road with a trailer yet but it earned 5 stars for the clean look and simple installation. It fit the factory blank switch location on my 2004 Honda Pilot with some minor modifications. I don’t even notice it when I’m driving without a trailer (it doesn’t light up unless a trailer is connected).




by:

The controller arrived as described. Research on the front end prepares me for the self install, which was very simple with a few basic tools. Have an idea of where you want the control knob to be, double check space (account for the switch on the back side of the panel).
Helpful hint - The grey grommet can be used to locate the smaller hole needed, this saves time and ensures correct placement, just requires a smaller drill bit (make sure not to elongate the grommet hole).




by:
2022 Subaru Ascent

This should have come with the switch insert as depicted. It wastes a week of time to get the shipment and then realize you have to order another part.




by:

El producto llegó muy rápido
100% recomiendo
esta pagina
Aveces es un poco difícil confiar en páginas de internet
Pero esta es muy real y no tuve ningún problema




by:

Love the product but packaged with hitch receiver and got crushed




by:
2010 Toyota Tacoma

Very good unit. Installed main unit under the dash and the knob control fit right into one blank switch spot on my 2010 Tacoma. It works good and looks like a factory unit.




by:
2022 Lexus GX 460

Great service and support. They were able to quickly provide the correct parts for my vehicle.




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they are great to deal with.




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2019 Chevrolet Express Van




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2021 Kia Telluride




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2014 Jeep Wrangler




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Review from a similar Tow-Pro Liberty in Trailer Brake Controller


Expedited shipping was super fast with no problems. I installed the unit myself and it was fairly simple. I recommend getting the exact fitting wire harness (huge time saver) and I’d recommend getting and exact fit knock out to install the dial in. (Another big time saver). I drilled a hole in my own blank or knock out thingy and I’m pleased with it but it took a little time. I’ve got a 2010 Honda Pilot. Funny thing, after rushing to install the brake controller, our trailer had to go in for repairs before we even completed the transaction. It will be another month before I actually use the brake controller.


Comments
Great! The controller worked perfect and I was able to dial in the exact perfect resistance for the trailer brakes and everything towed very well. Unfortunately we sold our trailer but the brake controller still looks great in the car and I even got a compliment on how Stock or OEM it looked.
Kenneth - 07/19/2022


by:

Review from a similar Tow-Pro Liberty in Trailer Brake Controller


SUPER EASY to install in a 2021 Frontier. The controller box can be easily screwed/ziptied to the under dash structure in a couple places, and the adjustment control fit nicely in a blank plug in that was in the dash. The unit plugs right in to the Nissan brake controller.

It works well with a 5000 lb trailer I pull. I use a load distribution hitch and didn't realize at first that the '5' setting was using too much trailer brake. For my setup, 3.5 to 4 is perfect. It works well, and there's not a clunky controller box to bang your knees on. You'll like it!




by:

Review from a similar Tow-Pro Liberty in Trailer Brake Controller


I really like the simplicity of the controls and the look once installed. I am using this to tow my Aliner pop up and like to keep things simple without creating an eyesore on the interior of my car. I had a competitive bluetooth controller that I eventually gave up on. I had intermittent issues with brakes locking up, and even a few times not engaging at all. This controller brakes perfectly and looks great. I installed this on the fuse panel cover so if I sell my 2016 Sorento, I can potentially swap this out with a new cover if the new buyer does not want it.

This solved potential safety issues with my old controller, and towing is far less anxious due to the smooth braking.

I will follow up after one year, I hope this thing keeps working like it is now.




by:

Review from a similar Tow-Pro Liberty in Trailer Brake Controller


I am very happy with the Redarc brake controller. Very simple operation with a straight forward dial. Much better than the previous brake controller. Thanks.




by:

Review from a similar Tow-Pro Liberty in Trailer Brake Controller


I like how this brake controller can be hidden, although very awkwardly accessed in the footwell. It was worth the effort though to have it out of sight except for the remote dial button that could be mounted in an empty button blank in my dash. Controller works well.



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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Lindsey S
Edited by:
Lindsey S
Employee Conner L
Test Fit:
Conner L
Employee David F
Test Fit:
David F
Employee Andy C
Installed by:
Andy C
Employee Thomas T
Video by:
Thomas T
Employee Schuyler H
Video by:
Schuyler H
Employee Justice A
Written by:
Justice A
Employee Amanda K
Updated by:
Amanda K

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