Holmz wrote:MSD make a tach driver that hooks to the coil and provides a 5V (or somewhere around there) level.
I have one in the box that I have not installed - I think I even know where I put it...
Finally found it today after the second look, while doing a general organize session.
Labeled as
"MSD GMR Pickup
#8919/p/n 89181"
I think GMR is Giant Magneto Resistive.
Still new in the packaging.