Does anyone know where I can get a schematic drawing for the 12V system on my 2008 Beneteau Oceanis 40? I am a good electrician when it comes to 120/240 AC systems but the maze under the aft berth leaves me scratching my head. I would like to be able to trace the circuits and understand the isolators, charger, etc. in the event I have a problem. Interestingly, when I purchased the boat four years ago I was told new batteries had been put in that year - all but the one under the center of the berth! Whoever installed them forgot that one and it is an older wet cell with fill caps. Now I know why my house system was not holding a decent charge. It does read 12.5V so I topped off the cells with distilled water, will let it charge and do a load test - I think it will need to be replaced. As always, thanks for any help.
Cheers, Capt. Pete
Cheers, Capt. Pete
