How Do I Check My Car Battery With A Multimeter. As acid and dirt accumulates across and over the terminal the charge starts to leak. Then place the multimeter leads on the battery terminals in the order of positive to positive and negative to negative.
Touch the negative black battery terminal with the negative black meter probe. First of all turn on all the headlights and other electrical appliances in the car. If you dont have a voltage of around 126 volts you may have a bad battery.
You can use a multimeter to check if there is a leak on your car battery.
The alternator charges the battery. Let the meter black probe make contact with the battery. If the reading is below 124 volts you may need to charge your battery. To check whether your battery has reached the leaking point use a multimeter.
