I plugged the motorhome into shore power. Naturally of course the A/C unit is not putting out cold air. The rear one won't even come on. Even though the switches are set to front so that they both...
Well I have been on eBay recently and found brand new AC units, one had a cracked shroud, going for less than $400 - if you happened to be fairly local to them you could save the shipping charges.
Just keep browsing eBay and something will come up.