An alternator uses a belt-driven pulley system to convert mechanical energy from the engine into electrical energy. This electrical energy is then used to charge the car's battery, which powers the electrical components of the car.
Yes, an alternator can charge a dead battery. However, if the battery is completely drained, it may take some time for the alternator to fully charge it. It is recommended to use a battery charger to fully charge a dead battery before relying on the alternator to maintain its charge.
If the alternator fails, the battery will not be able to recharge and will eventually lose its charge. This will cause the car's electrical components to stop working and the engine may also shut off. It is important to have a functioning alternator in order to keep the car running.
The most common sign of a faulty alternator is a dead battery, or a battery that is constantly losing its charge. Other signs may include dim headlights, flickering dashboard lights, and a burning smell coming from the engine. If you are experiencing any of these issues, it is recommended to have your alternator checked by a mechanic.
Technically, a car can run without an alternator if the battery is fully charged. However, the battery will eventually lose its charge and the car will no longer be able to function. It is not recommended to run a car without an alternator as it can cause damage to the battery and other electrical components.