The one not working is the driverside. We've taken off the door panel, and the switches, and the other windowns work, but this one does. When it was first going out, it wouldn't go down all the way. Sometimes half way, sometimes 3/4 of the way, but never just one spot. Then to put it back up, we would actually have to pull it to get it up. But little by little, it started going down less and less, with less power.