Great Tips About How To Check Automotive Relays

I have a car battery for. Relay contact can pit and stick closed, causing a motor to run constantly. All you really need to do this is a multimete.

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How To Test A Relay With Multimeter?

Source From : Administrationvehicle

First, you have removed it from the fuse box.

How to check automotive relays. This video shows you how an automotive relay works and how you can test it using an digital multimeter. Its the old switcharoo method. When properly testing automotive relays you need a 12 v battery to energize the coil.

In this video i'll show you the easiest way to check a relay on your vehicle. Place the leads from the multimeter on the pins, and it will read the resistance. Connect the two probe of multimeter to the coil terminals ( c1 & c2) as shown.

This is the easiest way to do it out of the car and t. Test the relay’s voltage at the switch. The relay is functioning properly.

Bad contact points can cause a voltage drop. If the buzzer ring then your electromagnetic coil is ok. Now turn on the relay and check the com and no terminals for continuity.

When terminals 85 and 86 are energized, 30 and 87a are disconnected, and 87 is turned on. Here is how you test a car relay the correct way. To check a relay, the only tool required is a multimeter.

Really the one and only way it should be tested.my cheap multimeter in the video: Then, set the selector dial of the multimeter to measure d/c voltage,. If the relay contacts are good, the multimeter should start the buzzer.