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BRAKE-EVN™ Trailer Brake Controller, Proportional, 1 to 4 Axles

Part No 8508211
The REESE Towpower BRAKE-EVN brake controller offers advanced proportional braking by applying brake pressure to match the vehicles deceleration rate. Proportional braking gets you get smoother stops that traditional time based controls. The boost feature gives the ability to apply more initial braking at the onset of stopping when towing heavier loads. When adjusted properly for your load, proportional brake controls can even extend the life of your vehicles brakes. The large LED display is easy to see when adjusting the control to handle the weight of your loaded or unloaded trailer. The BRAKE-EVN brake control can handle up to brake 4 axles and offers a simple plug in installation option, so be sure to get the proper factory harness for your vehicle. The perfect choice for light or heavy trailer loads.
  • 1-4 Axle capacity
  • Boost feature gives ability to apply more initial trailer braking
  • Reverse battery protection
  • No leveling required
  • Diagnostics features incorporated in easy to read LED display
  • Plug & Play feature allows for quick and easy connections
  • Small compact design designed for todays dashes
  • Simple push button adjustments
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Brand: Reese Towpower
Part Number: 8508211
Warranty: Limited 5 Year Warranty
UPC: 042899850823
Dimensions: 3.88" x 2" x 6.63" (Shipping)
Weight: 1.9 lbs

When used together, the following parts make up the product (Kit) at the top of the page. They can be purchased together as part of the kit or as separate components for replacement or repair; however, ALL of the following MUST be used in order for the above product to work as advertised.

Tool Sizes Needed
This product is not vehicle specific.

Below is a listing of commonly asked questions and answers for the BRAKE-EVN™ Trailer Brake Controller, Proportional, 1 to 4 Axles. If you can't find the information you need here, please submit your question to us using the form in our contact page.

Select a question to view the answer.

My brake control unit is displaying Er, what does this mean?
There is an internal error within the brake control unit itself. There's typically no fix for this type of condition. If unit is still under warranty the unit can possibly be returned to where purchased or contact us directly @ 800.632.3290.. When calling have your receipt of purchase available to provide, along with serial # on bottom side of brake control unit. This is typically a blue or white decal.