The opening part of this series laid out how the starter motor works, set the thing in the context of its electrical supply and suggested a few eyes-and-ears checks as the first steps in ...

If you really think about it, starting our cars as easily as we do every day is something of a modern miracle. We jump into our vehicles, turn a key (or even just push a button on many occasions), and ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...