How To Use Multimeter On Car Battery. DC voltage is usually marked as a V followed by a short line with a dotted line beneath it. We are setting up a multimeter along with the battery to test.
Select the DC volts position on your multimeter or the 12V setting if you have a dedicated car battery test range. The first test with your multimeter will measure DC voltage indicated with a solid line and a dashed line above a letter V. Use a multimeter to test your car battery.
Always apply the parking brake before measuring anything as well.
Turn the headlights on for two minutes to get rid of any surface charge the battery may have. Second we will measure the current. To do this Move the selector dial to select DC voltage measurement. The voltage of that specific battery should be known to check its condition and validity.
