How To Use Multimeter To Check Car Battery Voltage. Place the red lead on the positive battery terminal indicated by a red cover or a symbol. Disconnect the battery from any power tools or chargers.
The first thing to do is make sure you can access the two terminals on the top of the battery. How To Test Car Battery Amps With Multimeter. On some car models the voltage of the battery can be checked at the dashboard but that wont help you know how good is your battery since the voltage reading in the dashboard actually shows the power coming from the alternator and not the battery.
Turn the lights off.
The temperature outside affects the voltage of the battery. You need a resistor and alligator clips. Set the device to read DC direct current voltage. In this article youd be learning how to use a Cen-Tech digital multimeter to check Voltage.
