Performing a Continuity Test

Objectives

Explain why continuity tests are performed
Demonstrate how to configure a multimeter for a continuity test
Understand what your continuity test results mean

The Problem

The signal lamps on your truck have stopped working! You decide to check the fuse before doing anything more expensive or labour intensive. You pull the fuse out of the fuse panel, and it appears to be ok. But we need to do a continuity test to make sure!

What is Continuity?

Checking for continuity means finding out whether a circuit or component is closed and capable of conducting electricity.

Good continuity is indicated by a low resistance (say, less than 1Ω) reading on the multimeter.

On the other hand, poor continuity is indicated by a very high resistance reading.

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We hope you enjoyed Performing a Continuity Test

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