So I got this new, never used, yet out of package tach when I bought my boat. here are the pics:
So I want to hook it up to my 83 2-stroke 115hp evinrude.
On the back of the tach it says, for 4 cycle OB w/ alt.
Well, I dont have a 4 cycle, I have a 2
and I dont really have an altinator...