280DA Batteries

crosscr

Member
Jun 2, 2008
37
St Thomas, USVI
Boat Info
2000 340 Sundancer
Engines
454 Horizons
Hello all,

I recently got a 02 280DA and I have a question about the battery switches. I assume that the battery switch on the right is for the third battery but what does that third battery do. Is it for emergency starting or does it serve as a house battery? Nothing in my owners pack says anything about it. Thanks for any info. Robert
 

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