How To Check Alternator Voltage Regulator. Remove main cable and the 3 wired plug from the back of the alternator. How to just straight up test your alternator for output.
There is a very short wire from the voltage regulator to the main splice. How to check alternator auto voltage regulator AVR working automatically or not. How to check the alternator voltage output is one more simple check-up you can do on your own.
The green wire should then pass on to the top post of the voltage regulator.
In todays video we cover how to diagnose a first gen ford alternator and test the alternator or voltage regulatorTools used in the videoVolt meter. Set The Multimeter To Voltage. Testing the voltage regulator inside the alternator it is one of the most common fails when the alternator stops charging the battery. Without a regulator the battery would receive upwards of 30-volts of power while charging which would quickly damage or destroy your battery.
