A myriad of electrical gremlins can come to light with a car’s age—bad terminals, broken wires, blown fuses, and even fried relays. Knowing how to diagnose those problems can be the difference between ...

Many electrical components in a vehicle or machine are controlled by a relay. So if a component isn’t working because electricity isn’t getting to it, there is a possibility the relay may be faulty.

Regular testing of solid state relays plays a vital role in ensuring the smooth operation and reliability of control systems. By implementing a combination of off-line and on-line testing procedures, ...

If you suspect that your computer’s power supply is not functioning correctly, you can use a multimeter to test it. A multimeter is a device that can measure voltage, current, and resistance. It is an ...