Optional power switch for the Exhaust Brake that mounts on the manual transmission shift lever; For that old school trucker feel this switch is ideal for activating your exhaust brake of other accessories; Rocker style switch; For 3/4" shift levers; Dodge 1994-1998; Ford 1994-1998; Chevy 1994-up; Can be used for activating accessories such as light bars, air horns or whatever you need to activate an accessory within finger tip reach