How to use a multimeter for beginners! Multimeters are a vital tool for diagnosing all kinds of electrical issues, so learning how to use one can dramatically improve not just your automotive repair skills, but your general understanding of electronics! Multimeters used to be analog, but most of them are digital now, and we will be covering the digital kind today. A digital multimeter is sometimes referred to as a DVOM, or Digital Volt/Ohm Meter.
0:00 • Introduction to the Multimeter!
Working on a basic 12V DV (direct current) system poses very little danger for most people, which makes it an ideal learning environment! If you don't want to mess with your car, a household battery can be used for some tests here. This tutorial will be showing twelve volt results in most instances.
2:29 • Setting 1: Voltage
This will likely be the setting you use the most, since for beginners and advanced users alike, there's a lot that can be learned from voltage levels. (Voltage drop across components is one of those things, but this will be covered in another video!)
4:09 • Setting 2: Amperage
This setting poses the most risk to your multimeter, but if you're careful, you won't have to replace any fuses in it after testing a circuit! In order to see how many amps flow through a circuit, the tool needs to become part of the circuit!
5:45 • Setting 3: Resistance
Testing the resistance of a component lets you know how much it will resist the flow of electricity. If you want to test resistance levels, make sure the component is disconnected from the circuit! Power running though the component or other paths being tested in parallel can give inaccurate results.
7:05 • Setting 4: Continuity
This is a good test for wires to make sure they aren't broken on the inside. This is very similar to a resistance test, because you have to measure the component off the rest of the circuit. Diodes are more complicates and will be covered in another video more thoroughly!
8:07 • Multimeter Skills Recap
Just one more run-through to make sure you've got everything before moving on to our next video. Feel free to ask questions in the comments section below!
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