An alternator voltage regulator is essential for sustaining the right voltage output of an alternator, which is liable for charging the battery and powering electrical elements in a automobile. A defective voltage regulator can result in overcharging or undercharging of the battery, which may trigger harm to the battery and different electrical elements.
Checking the alternator voltage regulator is a comparatively easy process that may be finished with a number of fundamental instruments. First, disconnect the unfavourable terminal of the battery. Then, use a multimeter to measure the voltage between the optimistic terminal of the battery and the output terminal of the alternator. The voltage needs to be between 13.5 and 14.5 volts. If the voltage is beneath or above this vary, the voltage regulator could also be defective and have to be changed.