How to test car relay with multimeter?

Now, put your car on the ground and locate the fuse box. Disconnect the car battery and clamp the power supply to the fuse box. Now, use a multimeter to measure the resistance between the black and the white wires. The reading should be under 20K ohms and it should not fluctuate. If the resistance is lower than 20K, it’s likely the fuse has blown. To replace the fuse, just remove the old one and replace it with a new one.

How to test car relay with scanner?

You can use a scanner to measure the current flowing through a car relay Connect the ground of the car to the ground of the power supply and the probe of the scanner to the input of the car relay. Then turn on the power supply. The current flowing through the car relay will show on the screen of the scanner. You can also see the car relay status.

How to test car tail light relay with multimeter?

This is another popular topic as a result of the increasing incidents of car breakdowns. A car tail light relay is a part of the car’s electrical system. It switches the supply of electricity to the tail lights. If the tail light is not working, it means that the car’s tail light is not working. The most common cause of car tail light failure is a short-circuit in the car tail light circuit. If you suspect that your car’s tail light

How to test car relay with cable?

While testing car relay with the help of the meter, if you find that the car relay has a short or open wire connection, it would be better to check the wiring diagram of the car. You can try to identify the problem area based on the wiring diagram. If the problem persists, then you can replace the defective car relay. If you observe that the connection is good, then it is possible that you have to replace the fuse.

How to test car relay with radio?

If you are using the car radio and you notice flickering of the light bulb or other related indicators, press and hold the left and right buttons of the car radio together. You will notice that the flickering stops when the car relay is working fine. If the flickering continues, you need to check the car relay. You can test the working condition of the car relay using a multimeter. Connect the black probe to the ground and the red probe to the car relay. You will notice that the meter will