How To Check Your Battery With A Voltmeter. Like small appliance batteries car batteries rely on direct current electricity to power the motor headlights fans and other electrical components. This product can also be used to check the health of heavy-duty car batteries or alternators.
Set your multimeter to DC Turn the dial that controls your multimeters test mode so that its primed to measure DC current in the next-highest voltage range to your vehicles battery. How to Check Your Car Battery with a Multimeter. Measure the starting voltage of your Seat.
Ensure the ignition lights and radio are off.
Your vehicles charging system however operates at a. Set the device to read DC direct current voltage. DC voltage is usually marked as a V followed by a short line with a dotted line beneath it. Typically its 0010 0020 or 0030 of a volt.
