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We recommend having a dealer or installation professional install your Autowbrake Trailer mounted electric brake controller. If you want to do it yourself, watch the videos and follow the instructions below. (Not designed for motorcycles and bikes) Downloadable PDF

Autowbrake Featured on Motorhead Garage

Autowbrake 2023 Installation Update & Battery Usage Info

Connecting & Mounting the Autowbrake to the Trailer + Wiring

The Calibration Process & Selecting + Changing Your Settings

How You Sync Your Key Fob to the Autowbrake

Trouble Shooting and Some Hints to Help You With Setup

Selecting The Right Mounting Option For Your Autowbrake

Warranty on Trailer Mounted Electric Brake Control and Key Fob

Who May Use This Warranty?
Kyle Group LLC d/b/a Autowbrake (“The Company”) extends this warranty only to the purchaser who originally purchased the product(s). It does not extend to any subsequent owner or other transferee of the product. Proof of purchase (original sales receipt) must accompany all warranty claims. This warranty is
What Does This Warranty Cover?
This warranty covers defects in materials and workmanship of the Trailer Mounted Electric Brake Control and/or the Key Fob for the warranty period as defined below.
What Does This Warranty Not Cover?
This warranty does not cover any damage due to transportation, misuse, abuse, neglect, negligence, accident, improper testing, abnormal environmental conditions, improper installation, storage, failure to follow the product instructions or to perform any preventive maintenance, modifications, unauthorized repair, and normal wear and tear. This warranty does not apply to cosmetic damage, including but not limited to scratches and dents. Further, this warranty does not apply to any product that has been used with any third-party products, hardware or product that has not been previously approved in writing by The Company. This warranty does not extend to any product or parts which have been lost or discarded by the purchaser or to units, which have been altered or modified without authorization. This warranty also does not apply to any product, which is applied to a vehicle or trailer which is not rated for towing.
Warning, this product should not be used with vehicles not rated for towing including all motorcycles /motorbikes.
What is the Period of Coverage?
The warranty for the Mounted Electric Brake Control starts on the date of the purchaser’s purchase and lasts for three (3) years. The warranty for the Key Fob starts on the date of the purchaser’s purchase and lasts for one (1) year. The warranty period for either product is not extended if The Company repairs or
replaces the product. The Company may change the availability of this warranty at its discretion, but any changes will not be retroactive. The Company reserves the right to change and improve the design of the product(s) without obligation to modify any product(s) previously manufactured.
What Are Your Remedies Under This Warranty?
The exclusive remedy under this warranty shall be the repair or replacement of the defective component at the Company’s option. The Company reserves the right to require that all applicable failed materials are available and/or returned to The Company for review and evaluation. With respect to any defective
product during the warranty period, The Company will, in its sole discretion, either repair or replace such product (or the defective part) free of charge or (b) refund the purchase price of such product. The purchaser is responsible for all costs and risk of loss associated with the delivery and return of the repaired
or replaced product. The purchaser is also responsible for the cost of removal, the cost of forwarding the product, the cost of return, the cost of reinstallation, labor charges and damages incurred during installation or repair and replacement. Exchanges require that the Autowbrake be returned to The
Company (Autowbrake) in new condition without alterations or signs of use or cut wires, missing, or altered parts without exception.


Installation Instructions

Tools required for Do It Yourself Installation

  • You may need a voltmeter with 20V setting to identify trailer / vehicle hitch wires (12 volt rating available at most hardware stores)
  • Wire connectors/ wire nuts, electrical tape, #10 hex head socket or screwdriver
  • Packing list includes 5 #10 hex head self-tapping screws
  • 1 cable clip
  • 1 Key fob remote
  • 1 Autowbrake Trailer Mounted Brake Control

WARNING: Failure to properly wire the Autowbrake to the correct wire function on your trailer may result in product failure and WILL void your warranty. We recommend having an industry professional install your Autowbrake for you 

Step 1: Select Mounting

The Autowbrake can be mounted any direction and any angle which provides a lot of freedom on installation location.  We recommend locating the Autowbrake close to the junction box (usually on the trailer frame).  ** If you cannot locate the junction box on your trailer check the inside compartments or trace wires to the junction box on your trailer (possibly inside compartment or inside trailer).

Step 2: Identify Autowbrake wires and trailer wires

Update the trailer wire color column in Table 1, noting the wire color to the trailer function.  It is important to verify correct trailer wire functionality.  **Use your trailer manufacturer owner’s manual (most available online) for your specific trailer colors codes and verify with voltmeter. **



Trailer Junction Box

Wire Color

Wire function

Trailer function

Wire Color


Ground wire

Connects To





Connects To

12V power

(See Note)



Left Turn Signal

Connects To

Left Turn signal



Right Turn Signal

Connects To

Right Turn signal



Electric Brake output

Connects To

Electric Brake


                     Table 1

Note: Power source


Autowbrake wire color/ function

Autowbrake White = Ground – Connect to ground wire on trailer
Autowbrake Red = Left turn signal – Connect to left turn signal on trailer
Autowbrake Brown = Right turn signal – Connect to right turn signal on trailer
Autowbrake Blue = Brake output - Connect to electric brake wire on trailer
Autowbrake Black = Power- Option 1 If tow vehicle is equipped with 7 way plug that has a 12 volt line from tow vehicle. Connect Autowbrake black power wire to 12-volt power on trailer.
DO NOT use trailer batteries (12 volt or break away) for a power source. If you do not have a 12-volt line from vehicle and or you have a 4-way flat plug, see Option 2
Autowbrake Black = Power Option 2 - If you do not have a 12-volt power line from tow vehicle (example 4-way flat plug instead of a 7 way), you can Use Taillight circuit as direct 12-volt power source.

When using this option, you must have your vehicle lights turned manually to the on position, and not use the automatic light feature. You must also know if you fail to turn the tow vehicle lights on while towing you will also not have functioning trailer brakes.

Step 3: Connect Autowbrake to trailer wiring

Connect all Autowbrake wires to the matching labeled wires on the junction box or hard splice to trailer wire harness using Table 1 as a guide.


Step 4: Mount Autowbrake to trailer

Using self-tapping screws included, to securely mount Autowbrake to your trailer. We recommend drilling a small pilot hole in frame to begin the self-tapping (when mounting direct to trailer frame).
Keep in mind Autowbrake can be mounted anywhere, and any angle or direction you choose.
Keep in mind road debris when selecting a mounting location Please be sure it is mounted snug, but do not overtighten. You want to make sure there is no movement once mounted. Check for secureness after towing the first few times to be sure it is snug.

Step 5: Calibration (2-person process)

Calibration is required the first time you install your Autowbrake.  The calibration process is a ONE-TIME process. Recalibrate again only if the Autowbrake is relocated to another trailer or moved to another position on the trailer.

NOTE: We recommend calibrating Autowbrake on a level driveway or road surface.

Calibration process.

  1. Connect the trailer to the tow vehicle.
  2. Plug in trailer harness to tow vehicle.
  3. 2 People required - One person gets in the vehicle, turn vehicle ignition to on position and press the brake pedal down. (Make sure vehicle lights are on if using Option 2 for installation / lights as power source)
  4. While the brake pedal is pressed, another person goes back to Autowbrake. PRESS AND HOLD both stainless steel buttons on the Autowbrake until the LED indicator light is solid then release the buttons.
  5. When the LED indicator light stops flashing, the calibration process is complete. Your Autowbrake is calibrated.
  6. Release the brake pedal.

Confirming Key fob function/ power

Make sure vehicle and trailer are plugged in and vehicle ignition is on (vehicle lights turned on manually if using option 2 for power)
Go back to the Autowbrake with your key fob and press any or all buttons on the key fob. The LED on the Autowbrake should light up solid. This confirms the key fob is synched to your Autowbrake and the brakes will activate.
*If the LED does not light up check power wires for proper connection or make sure lights are on if using option B for power
* If that does not work call for support 319-521-2310 / after-hours 319-214-0258

Step 6: Selecting and Changing Autowbrake Settings

Check Autowbrake current setting:

With vehicle and trailer connected and ignition on (lights turned on manually if using option B for power)
First press the right button (marked B) on the Autowbrake for one second and release. The LED light will flash. This will tell you what setting the Autowbrake is on. See below
    • Setting 1: One slow flash 3 times in a row (total 3 blinks) up to 3500 pounds
    • Setting 2: Two slow flashes 3 times in a row (total 6 blinks) 3500 – 6900 pounds
    • Setting 3: Three slow flashes 3 times in a row (total 9 blinks) 7,000 –20,000 pounds
    • We recommend you do not exceed your vehicle towing capacity
    To change/ select settings (2 person process)
    1. Make sure trailer and tow vehicle are plugged in and ignition on (make sure vehicle lights are on if using option 2 for power source)
    2. One person press and hold the brake pedal down in the tow vehicle.
    3. 2nd person – While brake pedal is held down, press the right button (marked B) on the Autowbrake once and let go to increase setting, or press the left button (marked A) on the Autowbrake once and let go to decrease setting. Release brake pedal after you have done this. Now with the brake pedal released press the B button to check setting. Repeat process until you are on the desired setting (see settings above to determine if you are on 1,2 or 3)
    4. Autowbrake will always power up on the last setting used, so no need to do this each time you tow

     SAFETY WARNING: It’s not recommended to exceed your vehicle trailer towing capacity.

    Check Settings

    You can check current setting anytime by pressing the right button/Gain on Autowbrake without depressing brakes anytime the trailer and tow vehicle are plugged into each other. See above chart again for LED indicator to determine setting.

    Key fob Small Adjustment Buttons while braking

    Key Fob Adjustment Buttons

    Key Fob Adjustment Functions

    Key Fob Function 1: Increase / Decrease braking force

    The key fob provides you the ability to make subtle changes in braking force while driving. Up button is used to increase braking force and down button is used to decrease braking force.To use this function brakes must be applied at the same time you press the key fob buttons

    NOTE: You can increase braking up to 5 levels in your selected setting (example: if you are on setting 2, the fob will allow you to go from 2.0 up to 2.50). At a complete stop or while driving, press brake pedal down lightly and press the up button on the key fob. This increases your braking force level. If braking force level is too strong use the down button on the key fob instead of the up button. You must press and release the up or down button on the key fob each time for the setting to increase or decrease (Key fob image above) This will not change the Autowbrake setting from 1, to 2, to 3 and so forth. That must be done manually

    Key Fob Function 2: Test brakes or assist in Sway control

    You may test the trailer brakes by depressing the key fob buttons while in motion. To do  this while driving get up to speed and take your foot off of the accelerator then press buttons on the key fob (do not apply vehicle brakes while doing this) You will feel a slow pulse from your trailer brakes. The Autowbrake is doing what is supposed to do.

    Trailer Sway (All buttons on fob/ driving & not applying vehicle brakes)

    If trailer sway occurs complete the following:

    1. Lift your foot from the accelerator and DO NOT step on the brake pedal unless you’re in danger of hitting something.
    2. Press all buttons on the key fob remote. You will feel the trailer brakes activate while you are using the vehicle accelerator pedal.
    3. Hold fob buttons down until trailer sway is reduced. Release fob button(s) and continue towing.
    4. If you are braking and using the key fob at the same time you will be adjusting brake force as described on previous page under key fob functions

    If your trailer starts to sway on the road, the NHTSA recommends activating the manual brake control override by hand.  Applying the tow vehicle brakes will generally make the sway worse in a sway situation.  


    No LED light when attempting to calibrate > check wire color codes to confirm wired correctly.

    No LED light when Autowbrake gain button is pressed > check wire color codes to confirm wired correctly.

    HARD TRAILER BRAKING > check the currently setting. Top of Page 8 > Check settings.  Press left button on Autowbrake.  Any flashes mean that you have levels set by using the keyfob.  Press on brake pedal and press furthest button away from the keyhole to reduce braking force.

    Look for us on google, Facebook as well as our for helpful videos or call us for support 7 days a week….Yes even holidays…………we are here for you 319-521-2310


    Quick Reference Guide: Autowbrake

    Press and hold brake pedal > Have someone Press and hold BOTH buttons until you get a solid red LED, then release both buttons to calibrate.

    Autowbrake Sync Buttons

    Calibrate-press and hold both buttons until solid red led.  Then release.

    To check your current settings and levels release brake pedal. 

    Press right button.  Count LED flashes for main setting.  (3 total = setting 1) (6 total= setting 2) (9 total= setting 3) 

    Press left button. Count LED flashes for the FOB levels. 

    ** KeyFOB: You must press brake pedal then press KeyFOB buttons to make an adjustment



    Visual Aids

    Wiring Autowbrake

    Wiring Autowbrake pt 2