I personally would just take apart the door assembly. It is only a couple of screws and then lift off the interior. Roadie can probably post you a diagram, but I don't have one for this. There are screws on the bottom side of the interior handle that have to be removed first and then a little pulling and lifting (GENTLY).
Ok, maybe I am misunderstanding the question? Are we trying to replace the window controls or the enitire window control assembly? The one time I have removed the assembly, the wire leads, I personally think, are much easier to get too with the entire assembly apart.
This is exactly what I was thinking, but I am starting to get the feeling it may vary by year and model.Isn't there a screw behind the window control in the door? Either way you will need to take it off to get the panel off. There is a how to in the articles section entitled installing door speakers if you wanna check that out for help.