But what is a multimeter, and how do you use this tool?

A multimeter is anelectrical testerused to test whether wires, cords, circuits, and batteries are working correctly.

Not every multimeter has continuity tests, but a resistance test can be used to find the same information.

Person using a multimeter on a kitchen outlet

The Spruce / Adrienne Legault

What Is a Multimeter?

Parts of a Multimeter

Tip

Some multimeter models may have an auto-ranging feature.

Each of these devices has a component called a resistor, which has an assigned resistance value.

Multimeter testing inlet valve solenoids in washing machine

The Spruce / Kevin Norris

This value can either be marked on the rig itself, or found in an owner’s manual.

There are two types of multimeter displays: analog and digital.

Person using a multimeter on an electrical outlet

The Spruce / Adrienne Legault

an electrical wiring diagram

The electrical wiring diagram is the most intimate you can get with your car.http://www.gettyimages.com/license/160808831

Measuring resistance with a multimeter

The Spruce / Adrienne Legault