Scroll down to/type in page 26. Good news is there's only 4 gooseneck FW's to choose from.
For the AC, since a lot of those didn't come with AC from the factory, we would have to know a make/model of the AC unit to find a manual, which might be near impossible. I don't believe there was much published about the converter, but if you explain your problem with it, we might be able to diagnose it.
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9473.8 (as of 6/18/21)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR