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.
Chevrolet Cobalt Service & Repair Manual. Vehicle, Road Test
The vehicle road test purpose
is to verify a customer concern or to verify a repair has been completed
correctly.
For transmission road test, ensure
that transmission or transaxle is brought to operating temperature and all
forward gears and reverse gear engage pr ...