Rat,
Not sure about your Crescendo, but my Tour Master had three battery banks. One was dedicated to the chassis and used to start the engine, another was the 'house' battery bank that powered all the 12 volt lamps and small TVs in the coach, and the third was a set of four each 6-volt golf cart style batteries that powered the inverter and started the diesel generator.
Which set of batteries were replaced with new ones in your coach? Is this coach new to you or have you had it several seasons? Are the battery disconnect switches (mine were in the stair well -- yours may be elsewhere...) set to ON? These two switches apply to the House and Chassis battery banks and do not impact the inverter battery bank.
The Xantrex 458 inverter has its own control panel (mine was in the cabinet above the windshield to the left of the TV...) Do you have manuals for this inverter? I will try to attach it below...
Chuck
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2007 Tour Master T40C
Acura MDX toad
"It takes a great deal of time to recover from any improvement..."
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