My rear power window stopped working. Power locks work, though. What might be wrong?

I checked the fuse. It's ok (the other rear window works; one fuse for both, so it isn' that.) I performed the procedure recommended by several Saturn bloggers if windows stop - especially when using the remote keyless entry fob which has a feature to open all the windows fromn the remote - great thing to do during a heat wave. That was how I "discovered" it not opening. It first refused to open when I used the remote to open all the windows (a neat feature.) I tried the re-programming procedure several times, thinking it somehow lost its memory - even though the battery had not previously been disconnected.) No change. The tube with the wires for the power stuff sesms pristine. I am not great with tools and usually do more harm than good, but if its relatively easy to take the door panel off, I'm willing. I tried unclipping the wires to the underside of the door, but stopped not knowing what I'd do next if they came unclipped. Not sure what to do - except go to the dealer. I have an appointment next week. In the meantime, is there any thing I could do? If it is the motor, what is a resonable price for this to be repaired/replaced?