What causes an electric window to stop working? Often it can simply be a case of the mechanism having seized and needing replacement. But sometimes it may be that the window motor which powers the mechanism is faulty. A fault in the electrical system might have been the cause of this. A minor part in the system like a blown fuse or faulty relay can cause the window to stop working. Why are my power windows not working at all? Sometimes the problem is a defective switch, and sometimes it's a defective connector. You can pry the window switch up...

Where are electric relays used? Protective relays can prevent equipment damage by detecting electrical abnormalities, including overcurrent, undercurrent, overloads and reverse currents. In addition, relays are also widely used to switch starting coils, heating elements, pilot lights and audible alarms. What are some common uses for relays? Relays are used to provide time delay functions. They are used to time the delay open and delay close of contacts. Relays are used to control high voltage circuits with the help of low voltage signals. Similarly they are used to control high current circuits with the help of low current signals. Where...