The MSD Shift Light will turn on to "remind" you to shift when the engine reaches your specified rpm. You select the rpm using the same plug-in modules that are used with your MSD Soft Touch Rev Control. The Shift Light features a bright cluster of LEDs making it easily visible, even in bright daylight. The light will also turn on for a second or two when the ignition switch is first turned on to ..
Let me help you spend some money :)