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 ...

A relay is an electric switch whose purpose is to turn on a device with more electricity requirements. They are used in various electronic devices thanks to their compatibility. A relay easily fits in ...

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.