[Dangerous Doug]

Well, I'm back to the wandering tach needle problem.

At Doug@ERA's suggestion, I jumped the ballast resistor and then tested the tach. It actually seemed to help, but didn't rectify the problem. As I climb in rev's the needle stops going up at about 3000 rpm, even though I'm obviously spinning the motor faster.

I did buy a new tach---which I haven't yet installed. I think tonight I'll put the ballast resister back in line and then wire the tach directly and see if it reads differently than the installed tach. I don't recall if the current tach as the rotary switches or the DIP, but the new one definitely has DIP switches to select the number of cylinders.

DD