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 know it doesn't help now but Radio Shack or Home Depot sells different colored electrical tape. I use a lot of the red. Wrap it around positive leads. Also wrap it around washer hot water hose. Helps a lot keeping everything getting connected up correctly.