Ok, Just got my boat back in January after a lost season last year where we were waiting for a rebuilt Mercruiser 5.0 engine for my 2006 Chaparral. I had a Boat repair company put in the new engine and winterize it and I took it home in January. The guy sent me a video of the engine running while they winterized it so it seems to have been running/idling fine in January. I tried to start it up on the ear muffs this last weekend and it wouldn't start (it turns over but never quite starts). I moved the timing up and down a bit but still it won't start. Kill switch was up in the ON position and I could hear the fuel pump running and see the accelerator pumps in the carb squirting fuel when I bumped the throttle. I did notice however that the alarms were not sounding when the key was in the accessory position. Maybe there is a disconnected wire somewhere, but I couldn't find an obvious one. I assume if the alarms aren't sounding maybe the coil is not getting voltage applied? I would take it back to the boat service company but they are backed up and I don't want to lose any weeks of this boat season.
