How To Check If Car Battery Is Good Or Bad. This will automatically store the high and low voltages it. The problem with the check engine light is that it can mean different things.
When a car doesnt start many people wonder whether the alternator or the battery is to blame. Check the Batterys State of Charge. At 124 volts a car battery is 75 charged while at 122 volts its 50 charged.
Place the black lead on the negative terminal.
Then compare it to the voltage figures below. If your multimeter is not autoranging set it to 20V DC. Ad Interstate Batteries Is The 1 Battery Brand Preferred By Techs. Thats because your car battery is what gives them power.
