The alternator is responsible for charging the car battery and powering all the car's onboard network consumers. If it fails or is unstable, the battery will either not be charged or start discharging ...

Master your alternator and regulator testing skills Knowing how to test your alternator and voltage regulator with a multimeter can save you from costly repairs and roadside breakdowns. With the right ...

Q Could you explain how an alternator works and how it should be tested? I’ve had problems with my ’88 Mustang’s battery going down. I replaced the battery, but that didn’t help. The problem seems ...

Your alternator is the heartbeat of your car’s electrical system, keeping the battery charged and electronics running. When it fails, symptoms can start subtle—like dim lights or slow windows—before ...

Your alternator is arguably one of the most important parts of your engine. Usually found attached to the front of the block, it’s responsible for keeping your battery charged as you drive down the ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...

When assessing your street rod's charging system, it's important to understand how an alternator works and what other factors may affect its performance. Simply put, alternators are converters. They ...

Do you own a '69-or-earlier Mopar musclecar? Unless it has already been upgraded, the charging system consists of the old "weak sister" single-field alternator and its accompanying mechanical ...