I have a friend with an '03 Adventurer 33V (Workhorse), and his will not charge the house batteries with the engine alternator. He even followed up at a GNR visit to Forest City where they confirmed it would not do it. The only way he can charge the house batteries is by plugging into shore power or running the genny. (They did tell him at GNR that he could hold the "dual" switch in on the dash which would momentarily connect the house batteries with the engine battery, but that's not practical). I still find it hard to believe, but he's confirmed it with voltmeter tests at the house batteries (engine on, engine off). This is a Winnie wiring thing, not Workhorse or Ford. I do know that the '04s will charge the house batteries via the engine alternator while driving (but only if the main coach power switch by the steps is "on").
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Last Brave 2004 34D
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