We planned 5 days to get home – and pushed the trip into 4 to get back before the bad weather. We ended up taking the north route AZ to Albuquerque, NM to Colorado, Kansas, Missouri, and finally Illinois. We saw lots of grass fires and were bored out of our skulls crossing Kansas. At one point I said, “If there weren’t all those bugs on the windshield, we’d have nothing to look at!” The new horn button works great – we had one opportunity to use it. The RVIBrake wanted to do an update on the first day – but we didn’t have time to let it happen. The second morning I let it update. In the middle of day 4, the RVIBrake and hub lost pairing – for no good reason. We drove the rest of the way without it as the pairing routine needed a QR code and my unit was so old it didn’t have one. I wrote RVIBrake and they emailed me a QR code which worked, but no explanation as to why we lost pairing.
The cold and rain followed us home, and we had a flurry of appointments to take care of the first couple of weeks. We are just about to get back to the house for some more downsizing. But not so fast….. The rear AC quit. Oh, it made noise, and moved air, the compressor was running, but it didn’t cool. I used to work on ACs, so it didn’t take long to diagnose it was out of freon. I found the leak. I “can” fix that but I’m not allowed to buy freon without certification which requires having training and expensive recovery equipment they can verify. So, I looked around and found we could wait days after ordering one online. Or we could drive 90 minutes to Pontiac RV and pick one up – just a bit more expensive, but in hand the same day, which we did. The weather didn’t cooperate however and it took several more days before I could work on it.
So, how does one get an 80-pound RV AC 12 feet up onto a class-A roof? Well, either lots of McGyvering or have someone offer to use their front loader. It was still a bit of work because the loader didn’t quite reach, but way more reliable method especially when a couple of other campers volunteered to help.
Before I took the old one down, I documented all the wiring to make sure I could install the new one correctly. It turns out that just four screws hold the AC in place. I found what appears to be a common problem (found this in my previous RV too). 
All of the wiring for
the AC comes out of the roof in the return air portion of the ducting. Often there is a couple of feet of extra wire that is just shoved in there with no attempt to get it out of the air path. I took the time to clean up the wiring before putting it all back together. And I made one mistake. These ACs are often installed with an inside unit instead of being ducted like ours. Thus some if not all the hold-down bolts are put in from the bottom. So this (and my 
old) AC had four long screws with the front ones run through threaded inserts(normally used for bolts from the bottom) before entering the roof structure. The problem was the screws stopped turning when they hit the insert instead of pulling the AC unit down and compressing the seal. I don’t know why I didn’t realize this when installing, but having done a major job like this, I rehash the process in my mind later. I realized that problem with the screws and went back up the next day. I removed the screws, drilled out the inserts so the screws could turn freely, and reinstalled them. When tightening, they compressed the seal nicely so no leaks in the future. One last thing, this picture is of the return side of the evaporator. If you have a removable ceiling cover for the AC, you can see this from 
the inside. If you have a ducted system like mine, the only way to see this is to remove the cover and open the “cold side” of the AC. This is 5 years of dirt, despiting having filters inside on the return air that I cleared periodically.
While we were here in Illinois the eclipse was coming so we made arrangements to visit friends down in Marion – right on the center line. The eclipse was spectacular. I took lots of shots with my camera but forgot to remove the solar filter during totality 8^{ But it was a great experience. Traffic from central Illinois to Marion and back was the worst we’ve ever seen on 57. We spent about half the trip on parallel state roads.
Also, I bought a Coach Proxy microprocessor. What is that? Coach Proxy came out of a group of Tiffin owners. The microprocessor talks to the Coach’s Spyder system and presents a web page that can be accessed by our phone or computer. Everything the Spyder system can see or control can be controlled remotely. The version I bought was new, preconfigured for my 32SA as well as my WIFI (or was supposed to be). I needed to tweak the config files to get the WIFI up and running. I used this feature to turn the rear AC on/off while I was on the roof. The source for the software is available and some people have ported it to other brand RVs but it sounds like a real programming project. Finally, Coach Proxy users have used a service called NGROK which allows the Coach Proxy to be accessed from the Internet when away from the RV. I couldn’t get the free version to work. So I switched to Dataplicity – which some people said worked – nope, no soap. It was installed and configured and showed up on Dataplicity servers but no communication. I talked to their support and they gave me one more install command and things worked. Apparently, their installer assumed a certain piece of software was already installed on the Coach Proxy. Now I can turn my ACs on/off, control lights, etc from anywhere on the internet.