Knowing how to test your alternator and voltage regulator with a multimeter can save you from costly repairs and roadside breakdowns. With the right tools, safety steps, and understanding of voltage ...

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 ...

It’s always the same sinking feeling when you notice that the interior lights seem dim as you climb into your Mustang. A twist of the key confirms the miserable truth with a clicking noise from the ...

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 ...

Probably the biggest reason for fighting, not switching, was the weird wiring. There must be a load or draw on the voltage regulator to control its output. GM accomplishes this by wiring the No. 2 ...