A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor will commonly correct this concern.Google+
Car Problem Reports
GMC Sonoma Power Window Motors May Fail From Overheating
GMC Sonoma Problem
Average Mileage: 157,341 mi (107,000 mi - 187,365 mi)
Motor died. $500 to fix.
Visitor, 2002 GMC Sonoma, 175,000 mi
From the time I bought this truck new. The window has a mind of its own. It works when it wants to. Now it will not go back up and is stuck down and I am looking for corrective action.
Power Window Motors May Fail From Overheating