"El Penguini" wrote in message

Simple Diagnostics.

in this case, oxymoronic. Check qualified technician.

Probability of doing further damage while
diagnosing or running the engine.

High. Check qualified technician.

....other possible failure modes.

myriad. Check qualified technician.

What do cylinders 1 and 3 have in common...

Unknown, but sounds like something related to ignition. Check qualified
technician.

I replaced the
fuse I blew in the process, which should have protected the
electronics, no?

Not necessarily. Check qualified technician.

.... Some dip**** damaged my boat,my wife was
yelling at them/me while I was doing this.

..... and now history has repeated itself.