<B>Hayes Air-Actuated Brake Control Review</b><P>http://tinyurl.com/olgr68g <P><P> Hayes Air-Actuated Brake Control <P>Operates 2, 4, or 6 electric trailer brakes. Can provide<P>Automatic or manual operation of the trailer electric brakes<P>Includes 2-way check valve needed for installation.<P>Red indicator light shows braking system intensity and<P>Can be converted from a negative to a positive ground system<P>
