How To Test A Car Battery Without A Multimeter. Check your multimeter to make sure your car is using about 50 milliamps which is standard for a normal car. Across the test connections I put an approx 15 02 75 Ohms wire resistor scrapped from a heater element.
Testing Car Battery Without Multimeter. If you dont have a multimeter you wont be able to accurately check your car batterys voltage. However there are still steps you can take to check the battery condition.
Also across the test connections I have put a trimpot in series with the milliampere meter.
Select the DC volts position on your multimeter or the 12V setting if you have a dedicated car battery test range. Place the black lead on the negative terminal. How to test car battery without Multimeter. Across the test connections I put an approx 15 02 75 Ohms wire resistor scrapped from a heater element.
