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 ...

Why it matters: A failing alternator can drain your battery, shut down your engine, and damage electronics, leaving you stranded. Early warning signs: Watch for dimming lights, dashboard battery ...

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 ...