Just buttoned up the valve covers after checking the valves. While checking the dwell the fuse #9 blew, it powers the dash instruments, and charging warning lamp.
The dwell meter was connected with an alligator clip at the Marelli distributor base, + and - 12 from the battery, now relocated in the front trunk. I don't see how an inadvertent short to ground of the dwell clip could have caused this. Ideas?
Will check ohms before replacing.