Autometer Cummins Diesel Tachometer Adapter #9112

Description This compact and easy to install module will allow you to easily adapt AutoMeter tachometers and shift lights to your 1st Gen’s alternator which will then provide the signal to the gauge. Equipped with a sensor which is mounted to the alternator casing, a one time setup calibration is accomplished via push button interface on the module to synchronize the alternator signal with engine crank RPM. Add an Autometer tachometer, and you are up and running!