The radiator and air conditioner condenser cooling system consists of an electric fan operated at two different speeds:- the first speed is activated at a first engine coolant temperature level and a certain air conditioning refrigerant fluid pressure;- the second speed comes on at a higher temperature or pressure.The fan is operated by means of two specific relays located near the engine compartment junction unit.The supply line for the fan is protected by two special fuses, located in the engine compartment junction unit.