Test A Car Battery With A Multimeter. Hook the multimeter to the battery terminals. Make sure that your car engine is switched off.
Your multimeter should show you the reading and you should record it. Connect the multimeter to the positive and negative battery terminals. Generally your voltage should read close to 126 volts after running your headlights for two minutes and if your voltage value is over 126 then its normal but if your battery goes down to 122 volts then it.
You can use a multimeter to check if there is a leak on your car battery.
Switch on the headlights for 2 minutes. Now Set your multimeter to 20 DC voltage to test a car battery with a multimeter that will allow you to detect voltage from 0-20 volts accurately. How to test a car battery with a multimeter. 2 Million Customers Choose Zoro.
