How To Test Internal Voltage Regulator On Alternator

01 test voltage across the battery terminals with the engine running.

How to test internal voltage regulator on alternator. In todays video we cover how to diagnose a first gen ford alternator and test the alternator or voltage regulator. Tools used in the video volt meter. You may want to take the alternator to a local auto parts store to get tested. The voltage regulator is built into the alternator on all chevys made from the 1980s to at least 2010.

This is enough to destroy the car s battery and electrical system. Without a regulator the battery would receive upwards of 30 volts of power while charging which would quickly damage or destroy your battery. Even worst case with all. Voltage regulators are commonly found in vehicles and other electronic equipment.

There can be many reasons for a lack of charge. Simply put the regulator restricts the amount of voltage being sent to the battery. A good alternator should maintain battery voltage between 13 9 and 14 8 volts 14 2 is optimum. Greeny on february 16 2017.

A voltage regulator controls the alternator voltage output to maintain a preset charging voltage for the battery. If you have electrical equipment that won t turn on that could. A voltage regulator will limit the maximum amount of voltage from a power source and prevents a device or alternator from shorting and overheating. Signs of a bad voltage regulator in a vehicle include dimming or pulsing lights or a dead battery.