The windshield wiper motor is protected by a circuit breaker and a fuse. If the motor overheats due to heavy snow, etc., the wiper will stop until the motor cools.
If the overload is caused by some electrical problem, have it fixed.
Headlamp Wiring
Power Windows and Other Power OptionsChevrolet Cobalt Service & Repair Manual. Window Regulator, Overhaul
1.
Remove door trim panel as outlined
in "Door Trim Panel."
2.
Remove window regulator as outlined
in "Window Regulator."
3.
Inspect all bushings and gears, if
equipped, for we ...