[DannL]

Originally Posted by katy

I bench test coils w/an old distributor in the vise, a 6 or 12 volt battery, and a spark voltage tester similar to:
https://www.amazon.com/Deal%E3%80%91...26EFS5MSQPR0TT
Not perfect but gives a good idea of the coils output.

On the farm we took a long green weed stem and while holding one end would lay it across the electric fence to make sure it was working. That should work here also, l'll bet.

I wouldn't recommend doing that if you have a weak ticker. Unless you don't mind checking out early. ;-)