I have a 1984 300D Turbodiesel. My left front window and right rear window stopped working at the same time, as did my turn signals. I've checked and changed the fuse. No luck. Any suggestions?

 

The connections for all 3 of these things should all be in the same place under the console. Maybe a plug or 2 has a bad connection. Something similar happened to me while working on a '79 300CD. Try looking right where your window switches are.