Today, there are three primary ignition systems, and despite their differences in technology and components, they all work on the same basic principles.

The distributor ignition, the distributorLess (DIS) ignition and the coil-on-plug (COP) ignition.

Consequently, Ignition systems will continue to improve with technology advancements that lead to continued improvements.

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So, All automotive ignition systems have to generate a spark strong enough to jump across the spark plug gap. This is accomplished by using an ignition coil consisting of two coils of wire wrapped around an iron core. Consequently, The goal is to create an electromagnet by routing the batteries 12 volts through the primary coil. When the car ignition system turns off the power flow, the magnetic field collapses. Finally, As it does, a secondary coil captures this collapsing magnetic field and converts it into 15,000 to 25,000 volts.

To generate maximum power from the air/fuel mixture, the spark must fire at just the right moment.

So, Engineers have used several methods to control spark timing. The early systems used fully mechanical distributors. Next came hybrid distributors equipped with solid-state switches and ignition control modules—essentially low-end computers. Then, engineers designed fully electronic automotive ignition systems, the first of which was a distributor-less style (DIS).

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