Originally Posted by boristhebold
Mark - I use battery 1 on one weekend and battery 2 on the next weekend, dont ask me why, I think I do it so I could tell if one battery went bad and obvisouly every other weekend one gets charged off the engine. Im sure there is some logic in that but cant pinpoint it. laughing out loud. Hey it worked, if both had been used I may not have spotted the bad one until too late as they are not connected to any seperate battey monitors.
I think your dynamo is broken.