How do I Test My Battery with a Voltmeter?

Your battery is a repository of electrical charge in the form of voltage. When you test your battery, you must take care not to short the battery by connecting the positive and negative poles without a resistor. Using a voltmeter to make the connection is a safe way to make the connection between the opposite poles as a current resistor is built into the device.

To check your voltage level using a voltmeter, your first step is to check and make sure all your lights and the ignition switch are off. Second, connect the red lead attached to your voltmeter to the positive pole of your battery. Third, connect the black lead of your voltmeter to the negative pole of your battery. Your voltage level will read on your voltmeter.

For a professional reading of your battery voltage level, schedule BMW service at BMW of Fairfax soon.

Categories: Service
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