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Originally Posted by MoldyOldPeach
And get this.... the chassis and house batteries are supposed to be isolated when the engine is off, right? I had THOUGHT until putting everything back together to drive the coach into my dealer, that the chassis battery had merely died on its own, over a week or so. I presumed that when I took the house batteries off the charger and hooked them back up, that I might have to use the Battery Boost Switch to start the engine. But the instant I cranked the engine, and before I touched the switch, the engine started. Which means that the two battery systems are not isolated. So, yeah. Don't know if there are vestiges of both problems in each issue, but I have dutifully reported all wiring gremlins, and ghosts in the mechanism to the dealer. We shall see.
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Not necessarily. If your coach has a BIRD and it detects a charging voltage it will link the two systems after a minute or so in order to keep both the house and chassis batteries charged--this is by design.
A very good description of the BIRD system can be found in Ed's Axis/Vegas manual:
http://www.thorforums.com/forums/f10...nual-4961.html
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