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Volt meter on car battery9/24/2023 ![]() ![]() This will give you the ability to measure from 0 to 20 volts. Where you see the letter “V,” look above it and you will notice dashed and solid lines that indicate the voltage. When you use your multimeter to conduct the first test, you will be measuring the direct current voltage. ![]() ![]() Using a Multimeter to Check the Car Battery This means no metal tools like wrenches should be anywhere near the battery. Once you can see the battery, keep all metal objects away from the terminals. If the positive terminal (+) has a red cover on top of it, you should be able to take it off either by snapping it open or lifting it off. Newer vehicles have plastic covers over the batteries which can be removed either by unscrewing, unclipping, or unbolting the cover. If you don’t see your battery as soon as you open the hood, then you should check your owner’s manual to find out where it is. When you open the hood of your vehicle, you should see the car battery on the left or right side where the engine bay is located. You just need easy access to the metal terminals of your battery, which exist on either the front or top of it. It is easy to use a multimeter to test a car battery. This will give you an inaccurate reading of its true voltage. If you drive for a long time and then stop to test your battery, the reading is going to be much higher because it has recently been so active. Then you will get what is known as the “resting voltage,” which will truly tell you whether your battery is still good or not. The best way to get an accurate reading is to leave your car battery off for over an hour, or just test it in the morning after it’s been idle all-night long. When you test your car battery with a gauge, a good reading would be around 12.6 volts. But if you are unable to start the engine after turning your key in the ignition, then you can use a multimeter to conduct some tests on your battery to see if it’s still good. No matter what kind of car you drive, it will surely have a battery in it. ![]()
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