How To Test Car Battery With Meter. For this next step ideally you need someone else to start the car. Ask an assistant to crank the engine.

Put the black lead on the battery terminal marked black or negative. As i shown in below images test batter with multimeter. Check your multimeter reading.
Touch the red probe to the positive terminal and the black probe to the negative terminal.
If your voltage drops below 5 when the car is running it is. How To Test The Cold Cranking Amps of a Car Battery with a Multimeter Set the multimeter probes connected to the battery terminals and switch on the ignition. If you dont have a voltage of around 126 volts you may have a bad battery. Read STATE OF CHARGE ② on scale 2.
