Hoople
Account Removed
Does anyone happen to know whether this tach works with a pulsating signal like all the older ones or does the ECM send a variable amount of voltage to show the RPM's?
Hall effect 3 wire sensor in transmission. See attachment. Reference voltage,,ground,,& signal output. Not sure but probably reference is +5 volts.
Jack bike up and measure signal output of sensor while you rotate rear wheel.
Voltage should toggle between reference and near ground.