Could be a number of things. Bad wiring connection someplace. Bad switch at the helm, bad fuse connection in the fuse holder, bad motor, shorted wiring.
What drive ya got?
1996 mercruiser alpha one gen 1 I think, the original owner replaced the drive and put an older one in there. I scared one day it will just click and not work.
Ayuh,.... Clean all the corrosion from the wirin' ends, 'n terminals at the pump, then grease 'em,....
That'll give ya a Good shot at that nightmare not happenin',...
Ayuh,.... Whatever's in the nearest greasegun, hopefully within arms reach,...Thanks Bondo, what kind of grease should I use to grease them. I've never cleaned or greased them.