Features and Benefits: Complete control of Window Regulator without jumper leads Rocker switch reverses polarity with 1 hand Thermal fuse to protect modules and components Headlight lights up working area Complete with probes, alligator clips, and wire piercing clips The Regulator Activator is a patent pending device that gives a body man complete control of the window regulator. Unlike the present way of bringing hot wires into the door panel, the RA gives the technician complete control with a rocker switch for changing polarities while protecting components with thermal fuse. It will also activate other 12 volt systems like heater fans etc.