I don't know about the Buick but the 1924 Ford Model T Touring car had isinglass roll up windows.
I own a 2002 Buick LeSabre with power windows. Within 1 week both back door windows came off the track (or part that raise 7 lowers them). I looked at the door and can't figure out how to start to...
The glass will be the same but check where it attaches to the lift that may be different.
No
If it was a model 51 7 place brghm, I would say definitely yes!
No fuse ... it is a circuit breaker