Thread: boat tachometer in car?

Tweet

Originally Posted by Itoldyouso

I think that one needs the sender to work. If it didn't it would have at least 3 studs on the back......power, ground, and signal from the coil. I see only 2. Tachs are cheap enough (Super Tach II goes for about $ 40 new) so I see no reason to try to jury rig this one to work and maybe burn up a coil or ignition module that would cost more to replace.

Don

Don, I think you're right based on the old AirGuide wiring diagram. They seem to have two models, one for magneto and one for battery ignition, but both have matched senders.
http://www.classicboatwork.com/class...0Style%201.pdf