How To Test Alternator Regulator With Multimeter. This video will cover the following-----How to test an alternator using multi meterHow to replace an altern. A bench test checks diodes and internal regulators to gauge the alternators ability to produce its rated voltage and current.
For this test go to. The battery should have at least 120-volts of power with the vehicle off. Steps to bench test an alternator.
Making Sure The Voltage Regulator Is Getting 12 Volts.
Forward Bias of Positive Circuit Diodes. Here I am only testing the regulator portion of a common RegulatorRectifier. Locate your alternator and check to be sure the alternator belt isnt loose. To test the voltage going into the voltage regulator we take a multimeter and place it in the DC voltage setting.
