2004 impala back window stuck down - Cars & Trucks

You checked fuses and relays for electrical cranked window?
Remove: internal door handle, remove window crank if manual crank, door panel, remove film/paper seal.
If is mechanical crank: check for worn out parts on gearing and racks (reinstall crank and wind window up and down). Replace worn parts.

If electrical window crank: check for power at solenoid. Try switch again and watch to see if solenoid engages and tries to crank.
Check to see if switch is broken. Try door switch and drivers door switch.
Pickup another solenoid and replace old one.