That test jig sounds like the way to go as after the wiring of my new panel all the indicator lights from the ER alarms AND the two engines are...
I had someone look at mine yesterday and if an aft facing opening was CAREFULLY cut, the piece cut out can become a door and then this entity...
Thanks for the lead. Henderson Marine Electronics doesn't seem to think the board is bad but will explore more on Monday. Looks like the Hatteras...
Seems the board could be replaced with 4 small relays if need be so will see what they say as well as that of the two techs still working on the...