You will find the resistance of the relay coil. Use these tips to learn how to test a 4 terminal relay.
How To Test A Four Terminal Relay 7 Steps With Pictures
How to test a 4 pin relay with multimeter. The lisle relay test jumper kit includes adapters for the most popular types of test leads included with most multimeters. The reading should be open infinite ohms on an no relay and short 0 ohms on an nc relay. The procedure of checking the coils resistance of a relay with a multimeter. This video shows you how an automotive relay works and how you can test it using an digital multimeter. The voltage applied should be that of the. Find and remove the relay.
For example if the resistance is 320ω and the. Pin tip probe test leads. Dmms and analog ohmmeters are available in electronic parts and hobby stores. Contents 2 at orange. The first step is to test the coil of relay. Ratchets and wrenches.
And one of the best ways to do this is to use a multimeter with an ohmmeter setting and then measuring the resistance values. Use a digital multimeter dmm or analog ohmmeter to measure the resistance across the load connections of the relay. Use this lisle test lead kit with lisle relay test jumper kits 56180 or 60610 to easily and securely connect relay test jumper to your multimeters test leads. To check the coils resistance with a multimeter take a multimeter and put it on the ohmmeter setting then connect the multimeter probes on any two terminals of relays coil. In this post i am going to teach you how to test a relay with a multimeter. Banana plug test leads.
If the multimeter beeps or show any sign of continuity the coil is electrically closed good. The purpose of testing a relay is to find whether it is good or bad. Refer to the datasheet to get the coils resistance. It doesnt matter which probe is placed on which terminals. Httpsamznto2kplxwf testing a relay is not as complicated as people think. How to test a 3 4 or 5 pin relay with or without a diagram duration.
Use the orange adapters with the blue and yellow. If the multimeter does not beep the coil is open damagedthe relay needs to be replaced. If your meter does not have a continuity function or for some reason does not show any sign of continuity then use the second method. How to test relay any relay voltmeter. This is the easiest way to do it out of the car and the only way it should be done. Testing relays with multimeter shaun mercado.
In the datasheet you will also get the tolerance value of the coil. Unsubscribe from shaun mercado. You will need a 12v power supply or car battery and multimeter voltmeter. Use the blue and yellow adapters. Apply power from a test power supply to the control circuit. Place the probes of the multimeter on the coil terminals.
Set the multimeter in continuity test mode. To check the relay coils resistance take the multimeter you have and place it in the ohmmeter ω setting and place the probe leads of the multimeter on the 2 terminals of the relays coil. Pin tip to banana plug male 69210 1 at blue.
Gallery of How To Test A 4 Pin Relay With Multimeter
