Someone was recently changing out a set and the old ones are possibly still available: https://www.trawlerforum.com/forums/s15/tachometer-sender-wiring-53197.html Reply
811531 surplus man looks like had one but sold…
Someone was recently changing out a set and the old ones are possibly still available:
https://www.trawlerforum.com/forums/s15/tachometer-sender-wiring-53197.html