1. Margareth Kulaya, a student of Electrical and Hydropower Engineering at Arusha Technical College @Arushacol after excelling at high school level with distinctions in all science subjects, she decided to . To test the terminals of it with a multitester, you will need to set the DMM to measure either low current or high or very low resistance. (1). That click just means that the coil circuit is working fine, but it never means that the relay is in its best condition. Enjoy! Some testers are capable of analyzing the levels of both AC and DC within a circuit. If meter result is noticeably higher or lower than this range, it's a . If there is no sound, the relay could be faulty. Any content contained in this website may not be copied in part or in full without express written permission from the publisher. How to test a 4-pin relay with a multimeter Read the result off the multimeter display. When using continuity tester on any device linked to a circuit wiring, you should always switch off the power to your circuit or your device you intend to test for continuity. in this powerful article, Youll learn how to test a car relay with & without a multimeter. When testing for continuity using a specialized tester, an indicator will be activated when a circuit is thoroughly established. The test light should draw electricity and illuminate. Testing pins randomly without knowing the pin configuration is possible, but if the relay is damaged, results may be unpredictable. When working with relays, its a good idea to keep the following in mind: When you have a faulty relay that needs replacement, its not a good idea to mix and match relays from other car components or a random garbage bin in your garage. Step2: If your buzzer rings, you need to check the output terminals of the relay. In this case, 84% of readers who voted found the article helpful, earning it our reader-approved status. After you have done this, you can begin testing your 12v relay by setting your DMM to ohms and measuring the resistance between each of the pins. It is in the reverse biased position when the relay is turned on; therefore no current will flow through the diode. A continuity tester is a small device that is powered by batteries. My car cranks but dont wanna start but I did drive it then put it off then couldnt start tge car but gies onbon dash crank's buy no power to the coil pack can it be my ignition relay. Often, this test is carried using a multimeter; however, there are other specialized devices that can help you test for continuity. Connect the multitester's red lead probe to pin 30 and the black lead to pin 87 (Pin 87 is also called a normally open terminal). Check for continuity between the N/C contacts and pole. If the light bulb illuminates, then the relay is correct. Connect the leads on the switch pins. It should display open or OL if its a typical open relay. Suppose you have Ehdis 5 pin relay of model number JD2912-1Z then you should have ohm value near 80 ohms. Read the result off the multimeter display. The loop circuit is the that when you pass the power, you hear a clicking noise. Below is how to carry out the tests. This site contains affiliate links to products. Save my name, email, and website in this browser for the next time I comment. Fuse box comes in many different locations. Im not only an electrician, but I also like machinery and anything to do with carpentry. All the NC contacts should read 0 ohms, or 0 resistance, while the NO contacts should read infinite resistance. In this article, we will explain how to properly use your device to test a Five pin relay and ensure it is functioning as expected. Education: University Of Denver - Electric Engineering {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4f\/Test-a-Relay-Step-2-Version-2.jpg\/v4-460px-Test-a-Relay-Step-2-Version-2.jpg","bigUrl":"\/images\/thumb\/4\/4f\/Test-a-Relay-Step-2-Version-2.jpg\/aid1420038-v4-728px-Test-a-Relay-Step-2-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"