How To Check A Car Battery With A Digital Multimeter. Test a car battery using a multimeter by putting load. Touch the red probe to the positive terminal and the black probe to the negative terminal.
How To Test Car Battery Amps With Multimeter. Set the multimeter to 15-20 volts. Hook the multimeter to the battery terminals.
Its a good idea to write down the reading.
Touch the red probe to the positive terminal and the black probe to the negative terminal. 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. Attach the multimeter probes to the battery. Let the meter black probe make contact with the battery.
