Constant spark from ignition coil with key on

Dana67Dart said
Nicola Tesla would be so proud!

Did it ever work correctly?
What have you done to it lately?

I agree we all need more info. My first thought was MSD as well.

get a wiring diagram and start tracing

It's always worked. It worked today. Car got primed and fired right up.

Everyone can go to my new transmission thread now :rofl: