What are the symptoms of a bad vehicle alternator?

[Mariana]

Vehicle alternator failure symptoms include: 1. Dimming headlights or dashboard lights; 2. Damage to the battery or accumulator; 3. The belt does not rotate freely, with excessive friction causing belt temperature rise and producing a burning rubber smell. The alternator is located at the front of the engine and can be seen by looking downward after opening the engine hood. The alternator's function is to supply power to all electrical equipment except the starter motor while the engine is running normally, while also charging the battery. Precautions for alternator use are: 1. Regularly clean accumulated dirt and dust from the alternator's surface to maintain cleanliness and good ventilation; 2. Periodically check the tightness of all fasteners related to the alternator and promptly tighten all screws; 3. When the alternator fails to generate electricity, troubleshoot the issue immediately.