well, previous topic dealt with my house batteries. turned out old ones were dead. replaced both, all was well. So day before heading out for Oregon i do some prep. began by retracting leveling jacks ...
What is the voltage via Handheld meter on the positive and negative cables going to the coach ? ( the output) I too am a believer in the last thing you did may have caused an issue .. more times than not I’ve found that to be a starting point.