Hayes Towing Electronics 81725 Syncronizer Trailer Brake Controller Wiring for ALL Non-Spec Vehicle ALL Base

The Syncronizer is a brake controller for single and tandem axle trailers equipped with electric brakes. It modulates and controls the 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.