Went to crank up our motorhome the other day to run it for a little and run the generator. The chassis battery was dead. Had to start it with the switch that draws from the house batteries. Let it run...
I would be looking at chargers alright,......the one that is supposed to be charging the battery in question. If after running for an hour, and it dint crank over, either the charging system (alternator) is not charging, or the battery is toast. Start it back up and see if you are getting 13-14 volts to the battery.
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