Batteries
I had the knees replaced a few years ago too. Hope you are back at it.
I have a 2015 Windsport 34F, and had nothing but problems with batteries, and all of the electronics, and the generator. In regards to the batteries, went through the Harris house batteries, dead in a couple of months. THOR dealer replaced at no charge. They lasted 2 months, dead as door nails. Next, had 4 Interstate 6 volt Golf Cart batteries installed. All of them were dead in a week.
The dealer finally diagnosed a bad battery control box, and replaced that. Glad it is still under warranty, as that part didnt look cheap. Find out if you have a battery control box, its under the hood on the drivers side. If it is defective, your batteries won't charge, and all of your electronics will mis behave. Its been a week, and I haven't been to see it since Saturday, I hope the batteries aren't dead.
The generator was a crimped, over tightened union in the fuel line, that was not ever supposed to have been there in the first place. That took a few visits, and 2 generator fuel pumps in 40 hours of operation to diagnose.
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