An alternator is a generator that produces the electricity stored in a vehicle’s 12-volt battery and powers the starter motor for the engine and the various computers, lights, power windows and locks, ...

Modern automotive alternators have a voltage regulator built into them. Typical car alternators generate the field using a DC current through slip rings. The field current is much smaller than the ...

Your alternator is more than a battery charger—it’s the lifeline for your car’s electronics. Knowing when and how to replace it, and related parts like the serpentine belt, can save you from sudden ...