How do you install a sunpro super tach 2?

To install a Sunpro Super Tach 2, first disconnect the negative battery terminal for safety. Mount the tachometer in a suitable location on your dashboard. Connect the positive wire to the ignition switch or a 12V power source, and the negative wire to a ground point. Finally, connect the signal wire to the ignition coil or the negative terminal of the coil for accurate RPM readings.