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Alternators are electrical devices used in vehicles to convert mechanical energy into electrical energy. They are typically composed of a rotor, stator, and rectifier, and operate on the principle of electromagnetic induction. As the engine runs, the alternator generates electricity to recharge the battery and power the electrical systems of the vehicle.
| Power output | 20 to 200 amps |
| Voltage | 12V or 24V |
| Mounting type | Belt-driven or direct-drive |
| Cooling method | Air-cooled |
| Weight | 5 to 30 lbs |
When selecting an alternator, consider the power output required for your vehicle's electrical systems. It's important to specify the voltage type (12V or 24V) and ensure compatibility with your engine's mounting configuration. Additionally, check for any specific certifications or performance standards that may be required for your application.
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An alternator produces alternating current, while a generator produces direct current.
Signs include dimming lights, difficulty starting the vehicle, or warning lights on the dashboard.
Yes, if you have basic mechanical skills and tools, but ensure you follow safety procedures.
Typically, alternators last between 80,000 to 150,000 miles.
Not necessarily, but it's advisable to check the battery's condition.
Common brands include Bosch, Denso, and AC Delco.