I got your email with the installation instructions. Thanks, now I see the problem. I'm missing the little wiring harness attached to the tach itself. On page 1 of the instructions showing items 1 through 7 you see it attached to item 1, the tach.

We all like to think of ourselves as rugged individualists. But when push comes to shove most of us are sheep who do what we are told. Worst of all, a lot of us become unpaid agents of whoever is controlling the agenda by enforcing the current dogma on the few rugged individualists who actually exist.