Your alternator quietly does more than keep the battery topped up. It turns the engine’s rotation into a steady flow of electrical power that keeps every modern system in your car alive, from fuel ...

Editor's note: The modern alternator is a very sophisticated piece of equipment which has virtually replaced the generator because of its lighter weight, higher efficiency, longer life and lower ...

Your car only starts reliably because two electrical workhorses share the load. The battery delivers instant power on demand, ...

We all expect our car to start every time we turn the key. And it usually will, as long as there’s enough electricity stored in the battery to do the job. That’s especially important when the ...