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You need to pull the door panel, find the connector for the window motor. Use a test light to check voltage at the window motor. If you have voltage when applying the switch, then you will need a new window regulator. If no voltage, check wiring. Check wiring in the rubber boot in the door jamb. It is common for those wires to break, from door being opened and closed.
Let me know if you have any more questions. hoping you got this problem figured out.