I did take the module apart when this all happened and the ribbon cable appeared to have a good connection. I didn't check power at the switch, but then if it had power there, it would (Should) work. I'm still having a hard time with the compatibility issue. We are talking about window switches in a...

I'm not sure the one I swapped it with was the same year, but it was at least close. I never really thought about the question of compatibility. The module worked fine in the other car, but nothing in mine. I was thinking there was another relay just for that module somewhere?

Thanks for the diagram, but it seems to be something related specifically to the module in the driver's door

I have a 2000 S80. Recently the control module in the drivers door that controls the 4 windows, power locks, power mirrors, and child safety function stopped working. All of he fuses appear to be good, and the relays (that I can find) appear to be good as well. All of the windows work independently ...