Ensuring Your Car's Electrical Health: Checking Alternator Performance with the PPDMM Multimeter from POWER PROBE A well-functioning alternator is crucial for your car's electrical system, ensuring that the battery remains charged and providing power to various components like headlights, radios, and power windows. A faulty alternator can lead to a host of issues, from dim headlights to engine stalls. Regularly checking your alternator's performance is essential for maintaining your car's electr