Imagine you start your car and begin to drive. Everything seems normal, but you slowly start to notice that your AC isn’t working; next your radio shuts off; and maybe your headlights begin to dim. You might have a bad battery, but the more likely scenario is that your alternator is failing. An alternator is a mechanical device that generates a current for recharging the battery and for powering certain vehicle electrical loads. When you turn the key in the ignition, the battery current energizes the alternator. Subsequently, mechanical energy is transferred from the engine to the alternator by a ribbed drive belt on a pulley. Within the alternator, a rotating magnet called a rotor turns around a stationary iron core called a stator. Surrounding the rotor and the stator are a series of conductors wound in coils. Together, these alternator components convert the engine’s mechanical energy into electrical energy through electromagnetic induction. The resulting alternating current is sent to the vehicle’s electrical system and to recharge the battery. Without an alternator, your car’s battery would be unable to recharge itself, and electrical components like the radio, AC, headlights, etc…would not be able to function. Prevent a bad alternator from stranding you by letting Auto Care Experts check is on a regular basis. Our service and repair center is located in Mission Viejo, CA.