"Tim" wrote in message
...

OR, once can charge 2-12v batteries independantly, even though hooked
together in series. and the more I think about it this is probably
what's happening.

red/black one battery, red/black other battery, red, black 20a
breaker to alternator output, and black to engine ground.


I think you're right. *That* makes sense and explains the "For 24v
systems" statement.

Eisboch