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Ignition Coils

The ignition coil is a part of the ignition system which is the part that creates the necessary spark to the spark plugs and starts the engine. The ignition coils are a pulsed transistor that receives a small amount of voltage from the battery, about 12 volts and amplifies it until it is enough for the spark plugs to produce the spark needed for the combustion to begin. The primary voltage is usually amplified up to 20,000 or 30,000 volts in order to be enough to spark the plugs. This higher voltage is sent to the distributor and then to the spark plugs. Inside an ignition coil are two separate wires. The first has around 20,000 coils of very fine wire. These create a magnetic field which eventually collapses and creates a current that is transferred to the second wire coil. The voltage increases due to the ratio of secondary to primary coils.

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