GM Repair Questions? Ask a Mechanic for Answers ASAP
Hello, and welcome. if the motor does go up and down, thens tops. normally the window regulator has caome apart. the window regulator is cable driven on a steel track. normally on this vehicle, you can buy the regulator with a motor which is probably your best bet. here is a picture of the regulator and motor.
If there is anything you dont understand, please feel free to ask me to explain.