electrical 12 volts dc

I have a house bank and a starting bank, both of which can be isolated using a common four-position battery switch (OFF, 1 [house], BOTH, 2 [start]). I have solar connected to a Victron SmartSolar charge controller which has its negative lead connected to the main DC negative bus (to which both...

My 2009 Hunter 50cc has a constant low volume beeping once is it started. I have traced it to one of the 3 inputs on the siren. It is the larger red wire that goes from the siren to the relay. The relay also lights the Engine Light. Does anyone have a schematic for the ignition switch and...

Went out on my boat this weekend for the first time -- a Hunter 27. At the dock before leaving, I hooked the battery (12V deep cycle) up to the charger. When I started charging it it read 35% and then pretty quickly got up to 45% but then stopped. I left it connected while we got the boat...

Does anyone have a electrical diagram/schematic of a 2004 Hunter 426 sailboat showing the alternator and wiring? The owners manual says "alternator charges thru the starter" but this doesn't reallyhelp much. We wanted to have a spare alternator but it appears the previous owner added a Balmar...

I just spent a couple hours searching for the inline fuse in the carbon monoxide detector circuit. The manual does not seem to show the circuit in the diagrams. And, I have not been clever enough to find it. Can anyone give me a hint?

Hi all, I am in the midst of reviving a 1973 Macgregor Venture 17 and am know enough to get in trouble in 12 volt D.C. world on cars but am a blank slate when it comes to boats. The previous owner is not available and I am looking for a resource, internet site book or other, to help me figure...