Hayes 81726 Blackbird Brake Control

Big power in the palm of your hand - The Blackbird is the ultimate in time-based trailer braking. The integrated Quik-Connect plug works with ALL Hayes Quik-Connect compatible harnesses to make installation quick and easy. * Slim, compact 3" x 3-1/4" housing - No interference with electrical systems * Solid state dependability * For electric or electric-over-hydraulic * No leveling required - For 2, 4, 6, and 8 electric brakes * Diagnostic error codes - Limited lifetime warranty