Was running the yetna today with a friend and my battery alarm startedbeeping intermittantly. Then my voltage started showing around 10 volts. If I used anything electrical, I'd lose almost all voltage and the motor would almost shut off. After a few minutes of trouble shooting, the motor started running rough. Good at idle, then when I'd power up it would jump up then battery alarm would kick in and lose almost all power again. Finally it died. I tried to start it but it would barely turn over and never started again. I'm thinking the alternator went out and when the battery juice drained, the motor wouldn't run anymore.
So, I removed the alternator and battery. Battery is charging at home now. Doubt I'll find an alternator in the morning, so my plan is to take 3 batteries back to my boat on the yetna and see if I can limp back that way.
Am I missing anything here? Could it be a voltage rectifier or anything like that? The reason I'm thinking the alternator is bad is due to it being really hot once the motor died.
Any ideas would be great.