What alternator do I have???

jvcoconut

Cadet
Joined
Jun 24, 2007
Messages
24
Hi,
I have a 2005 232 Sunesta with the 5.0 GXI duoprop. Does anyone know what the alternator amp output rating is on this?

The reason I ask is that I currently have a dual battery system with the factory battery switch. I will be running two amps for my boat system and two amps for my waketower speaker system. I wanted to add a 3rd battery with an isolator.

The majority of the time only two amps will be playing when on the beach and/or boating around, with the other two amps (4 total) playing while wakeboarding.

The wiring portion is doable, but adding the isolator and 3rd battery, I don't think I would have to upgrade to a 3 position battery switch right? My plans are to have two batteries dedicated to the system and one for cranking....but obviously charge them all together.....................DOABLE or NOT??????? Do I need to upgrade Alternator size?
 
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