Hayes Syncronizer Brake Controller Hayes
(Hayes Part #: HW-81725)
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Delivered by 04/30/19 if ordered by 2:30pm CT today

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The Syncronizer® is a brake controller for single and tandem axle trailers equipped with electric brakes. It modulates and controls current from the battery to the trailer brakes. The longer the brake pedal is depressed the greater the current delivered to the trailer brakes until the preset brake power setting is reached.

Click Here to find a custom fit brake control harness for your vehicle.

  • Not recommended for use with BMW X5 Sport Utility Vehicles.


Fits2 to 4 Brake Trailers
Installation InstructionsCLICK HERE
Made In:USA


  • Red LED indicator monitors controller performance and trailer wiring integrity
  • Operates stop lights on tow vehicle and trailer during automatic and manual braking
  • Manual operation is independent of power settings to allow full output on demand
  • Built-in automatic current limiter protection from trailer brake wiring shorts
  • Quik-Connect wiring feature

Not Included:

  • Wiring Adapter
Installation Instructions CLICK HERE

Hayes Brake Controller

The Hayes brand represents 60 years of braking quality and performance. Hayes Brake Controller Company continues its commitment to providing safer trailer braking as well as increased environmentally conscious support to the RV and trailer-towing industry.

The above information has been provided by the Manufacturer, and we cannot guarantee the accuracy thereof or endorse the opinions expressed.