Tach Help

[bluegrassboy84]

I don't know how to start a new topic. But I have a 1969 55hp johnson outboard. And I have a tach wire coming from the spark amplifier. Can I use any tach off of that wire? Like a digital tach?

 

[GA_Boater]

Moved to a new thread. How to start a new topic- http://forums.iboats.com/forum/foru...922642-how-to-ask-a-question-create-new-topic