Dude, I'd try to help but I HATE electrical issues. Hate, hate, hate!!
I know that the rear windows have issues, sometimes lubricating the tracks can help. You might pull the door panel and clean the connectors and then put some dielectric grease on them when you reassemble them.
I have a similar issue with my 93, not with the locks, but the rear windows not opening using the master control. One rear window will open with the rear switch, but not the other one. I replaced the master control already and that didn't solve anything. I don't know what the issue is with it but since it's usually just Daniel and me in the car and the AC works I really don't care.