Should the cooling fan behind radiator be on when engine temperature is low a 1988 Chevy Corvette?

The cooling fan behind the radiator should not be on when the engine temperature is low on a 1988 Chevy Corvette. In most vehicles, the cooling fan is controlled by a temperature sensor that turns the fan on when the engine reaches a certain temperature, and turns the fan off when the engine cools down. If the cooling fan is on when the engine is cold, it could indicate a problem with the temperature sensor or the fan control system. It's recommended to have a qualified mechanic inspect the cooling system to diagnose and fix the issue.