How To Test A Relay With A Battery

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How To Test A Relay With A Battery. To test the relay you only need a 9V battery for the most basic test. The Coil terminals control the state of the relay.

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Change your red lead to the top isolator post going to the engine battery. How To Test A Relay. The Professional Manufacturer of Automotive Products.

Apply the specified working voltage to the relay coil and use a multimeter to detect the on-off condition of the contact at the R1k gear.

DIY auto repair to help you save money. NO is normally open. The multimeter should have an infinite or OL reading. In this video I will show you how to test treadmill relay with multimeter and batteryTreadmill Treadmillrepair Treadmillrelaytestingtariqlab.