How To Test 3 Pin Flasher Relay With Multimeter

You will find the resistance of the relay coil.

How to test 3 pin flasher relay with multimeter.

Test the de energized condition of the relay contacts. Place the center connector of the test bulb on the battery. Wrap the long stripped end of the second piece of wire around the base cylinder of the test bulb securing it with a twist and connect the short stripped end to the l prong using the third clip. This is the easiest way to do it out of the car and t.

The procedure of checking the coil s resistance of a relay with a multimeter. Testing the flasher relay is a straightforward task that should take you about 15 minutes. You will need a 12v power supply or c. If your flashers begin to blink quickly or erratically there s a good chance the relay is going bad and it should be tested.

How to test relay any relay voltmeter. Flashers or hazard lights are controlled by a flasher relay an plug in electrical device. Use a digital multimeter dmm to test the resistance between each pole of the relay and the corresponding nc and no contacts for that pole. All nc contacts should read 0 ohms to the corresponding pole.

With the ignition on earth the tester and probe the feed wire connector the lamp should light. This video shows you how an automotive relay works and how you can test it using an digital multimeter. To check the coil s resistance with a multimeter take a multimeter and put it on the ohmmeter settingthen connect the multimeter probes on any two terminals of relay s coil. If you like me and don t have an alternate 12 volt power source to test your relay watch to see how to use your car as your power source and test your relay.

All no contacts should read infinite resistance to the corresponding pole.