New Mariah owner
 

1997 3.0 Runabout runs grr - RAN great!

Sold my Harley and am now a boater here in Florida. I'm a DIY guy but boats are pretty new to me.

After a day boating I was doing my usual clean up and flushing the engine. Tried to crank it over and nothing! I noticed the battery was drained. Hmm. All I was getting was a click that sounded like it was coming from the battery shut off. I've been charging the battery and checking wires all over and noticed the 50 Amp reset button. I pressed it a number of times and held it in. I got one good crank out of my next attempt at starting it. Now nothing again.

So. One could say the 50 Amp is faulty. It looks old and rusty so I'm not surprised. However, what would have drained the battery? Is there juice running back through the 50 Amp from the alternator?

I still wouldn't expect the battery to be drained after 5 hours of boating... would I?

Thanks much to anyone with a though or two.

Re: New Mariah owner
 

The alternator could be shorting. That would drain the battery. If/when you get it started, check the battery gauge to see if it is well above 13v.