The picture below was taken this past spring:
Below is the 110 Volt connection. I'll see if I can get a new unit of the same design. The Coleman tent trailer that I owned until last year had a power cable that pulled out of a port in the side wall -- the cable was always connected to the power converter.
So, where will I go with the blog this fall? In addition to documenting the "research" that I've been doing regarding replacement parts and design ideas, I will provide detailed coverage of the repair work as I get to it. I think the first job I'll tackle will be the table mounting cleat: