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A typical electrical system

A typical electrical system Heated rear window Windscreen-wiper motor Electrically operated radio aerial Fuse box Indicator Headlamp Electric fan Battery Distributor Alternator Starter Heater Washer pump

Apart from the main charging, starting and ignition circuits, there are other circuits that power lights, electric motors, the sensors and gauges of electrical instruments, heating elements, magnetically operated locks, the radio and so on.

All Circuits are opened and closed either by switches or by relays - remote switches operated by electromagnets.

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