How do you test an alt regulator?
How do you test an alt regulator? The best way to test a voltage regulator is with a multimeter, and what you do is you put your multimeter clamps directly on the battery terminals. Positive read to positive and black to negative. And you said it to voltage, and with the car off, you should have a little over 12 volts. That's that's a healthy battery. Can you bypass the voltage regulator on an alternator? On many alternators (except those with computer voltage regulation), you can bypass the voltage regulator to test whether your voltage regulator or some other component...