How to Test an Alternator's Voltage Regulator?

Answer Alternator voltage regulators can be part of the alternator, or fitted as a separate unit in the engine compartment. Either way, a voltage regulator is an essential component as it checks the outpu... Read More »

Top Q&A For: How to Test an Alternator's Voltage Regulator

How to Test for a Blown Voltage Regulator?

A vehicle's electrical charging system can sometimes be tricky to diagnose when things are not functioning properly. The battery, alternator or regulator can all potentially be the problem. If your... Read More »

How do I test for a blown voltage regulator?

Connect a MultimeterConnect the red lead on a multimeter to the positive terminal on the vehicle battery. Connect the black lead to the ground terminal. Set the multimeter to measure voltage.Increa... Read More »

How to Test a Positive Voltage Regulator?

The voltage regulator of an automobile keeps steady, even voltage running from the battery to the dependent parts of the car. This includes devices such as headlights and interior lights. A malfunc... Read More »

How to Test a Voltage Regulator for a Power Drain?

You go out to your automobile or boat and try to crank the motor, only to get that ominous clicking sound from the alternator that signifies a dead battery. The battery was charged when you left it... Read More »