Final Update 2/21/2014,
I have the A/C and fridge working now. The A/C power switch was real sticky and when I moved it back and forth on/off the contacts made connection and it statred working. The fidge is another story. It worked on house power but when I moved the trailer back to storage it stopped working again. Urgh.
But i had it working on 120v son I know it works. I plan on getting contact cleaner and clean all the electrical connections. The 12 volt
system is working fine. I just needed to find it and learn the system. I charged the batteries and lifted the goucho/couch, and found the univolt/converter is located up there. Above it and directly behind the couch is a battery system on off switch.
All is now good and after a good cleaning of everything it should all work very well.
Thanks for your inputs. It really helped.