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Re: Testing for the presence of a diode in parallel with a load
Posted to Technical Discussion Forum on 9/6/2011 4 Replies

Hi Olle,

A friend of mine taught me a simple and quick way to check the diode inside a relay equipped with a diode. Use a 9 Volt battery and connect it across the control circuit. If the diode is good then connecting it one way will cause the relay to click,... Login to read more.

4 Replies Received (View Replies)