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. Refrigerant Recovery
The refrigerant system must be
discharged using an air conditioning refrigerant recovery and recycling
system. After completing any required repairs the refrigerant system can
be evacuated and charged using an air conditioning service charging station.
Service fitting caps are ...