Distributor ignition coils

NGK distributor ignition coils for vehicles with mechanical ignition distribution, which was still in use up to the mid-1990s.
Distributor ignition coil from NGK

With a distributor ignition coil, the high-voltage pulse generated by the ignition coil passes through an ignition cable to a mechanical ignition distributor. This, in turn, distributes the high-voltage pulse to the corresponding ignition cable, which provides voltage to the cylinder which is currently in the combustion cycle. The spark plug can ignite at the right time. This ignition coil type can be found in older vehicles. It was in use well into the 1990s.

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Ignition cables: In order for the ignition spark to jump over, the high voltage generated in the ignition coil must first "flow" through the ignition cables to the spark plug.