Hi folks! Well, dumb is as dumb does with my 2003 Class C Chateau. I crossed the + and - poles on my battery and drove 100 miles. The minimal result was now the interior components (lights, etc.) ...
I have an 03 Chateau. Beside the bed on the passenger side is the circuit panel. You have a breaker that is tripped and also check your fuses. Make sure your posts are correct and then see if you have a problem. If you do call Thor, they have great customer service.