Does the car air conditioning have a fuse?

2 Answers
DeEmersyn
07/28/25 11:50pm
Car air conditioning does have a fuse. Here is the relevant introduction about vehicle air conditioning: 1. Introduction to vehicle air conditioning: Vehicle air conditioning consists of a compressor, condenser, throttle element, evaporator, fan, and necessary control components, forming an air conditioning system used to regulate the temperature and humidity inside the car, providing a comfortable environment for the driver. 2. Working principle: When the compressor operates, it inhales low-temperature and low-pressure gaseous refrigerant from the evaporator. After compression, the temperature and pressure of the refrigerant increase, and it is sent to the condenser. Inside the condenser, the high-temperature and high-pressure gaseous refrigerant transfers heat to the outside air passing through the condenser and liquefies, turning into a liquid. When the liquid refrigerant flows through the throttle device, its temperature and pressure decrease, and it enters the evaporator. Inside the evaporator, the low-temperature and low-pressure liquid refrigerant absorbs heat from the air inside the car passing through the evaporator and evaporates, turning into a gas. The gas is then inhaled by the compressor for the next cycle.
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JasperRose
08/12/25 4:08am
Of course there is! I remember once driving to the countryside when the air conditioning suddenly stopped working, making everyone unbearably hot. Upon checking, I found out it was a blown fuse. Every car's air conditioning system has a fuse to protect the circuit, usually hidden in the fuse box under the driver's seat or in the engine compartment's fuse box, clearly marked in the manual. Replacing it yourself isn't actually difficult—just buy a new one with the same specifications (5-amp or 10-amp fuses are common). The key is to turn off the power first before handling it, then gently pull it out with small tweezers to inspect. A blown fuse usually indicates an instant circuit overload, such as a stuck blower motor or aging wires causing a short circuit. If the new fuse blows again, immediately consult a professional mechanic to check for potential hazards!
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