Description
The main task of the ignition coil is to transform the on-board voltage of 12V available in the vehicle to the required ignition voltage and then passed on to the spark plug.
Basically, the function of the ignition coil is relatively simple to explain. The ignition coil itself contains a primary and a secondary winding. The primary winding has very few turns, while the secondary winding has very many.
As soon as the engine control unit sends a signal to the ignition coil, the on-board voltage of 12V flows through the primary winding. Through this process, a magnetic field is built up. As soon as the signal from the engine control unit is interrupted again, this magnetic field is abruptly reduced. This abrupt degradation generates a high voltage in the secondary winding. This high voltage is now transmitted to the spark plug, which consequently generates a spark.
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