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 Push - Pull style switch For 58 shift levers Dodge 1989 - 1993 1999 - up Ford 1989 - 1993 1999 - up Chevy 1983 - 1993 Can be used for activating accessories such as light bars, air horns or whatever you need to activate an accessory within finger tip reach