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To complete your continuity test, place one probe at each end of the circuit or component you want to test.

As before, if your circuit is continuous, the screen displays a value of zero (or near zero), and the multimeter beeps.

If the screen displays 1 or OL (open loop), there's no continuity—that is, there's no path for electric current to flow from one probe to the other.

Continuity is non-directional, meaning it doesn't matter which probe goes where. But there are exceptions—for instance, if there's a diode in your circuit. A diode is like a one-way valve for electricity, meaning it will show continuity in one direction, but not in the other.

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