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 ...

Signs of impending alternator failure often include a slight reduction in the voltage reading on the dash, or noticeably duller headlights. It’s hard to predict unless you periodically do an output ...

VDC Electronics says its BatteryMinder Battery and Alternator Condition Tester provides the condition of a vehicle’s battery and alternator with the simple press of a button. The unit’s multicolored ...

While most DIY-ers out there don't necessarily have a car full of expensive electronic devices to run, we do, however, still need a properly charged battery for cold-cranking in the winter months. And ...