SeaGauge™ Sensor Interface Units support 2-3 direct tachometer interfaces from most inductive sensors and ignition pulse generators.
RPM Reading only. For use with tachometers or engine synchronizers designated as generator type.
Generator Sender: 10V AC at 1000 RPM, 4 Pulses/Revolution
Thread = 7/8-18. Terminals = 2.
Requires matching Drive Key