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Home >> Nissan-Datsun >> 1984 >> Sentra MPG >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Ignition Timing Control System >> Operation >> Ignition Coil
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Ignition Coil

The ignition coil has a built-in power transistor. The signal from the control unit is amplified by the power transistor. This signal is used to connect and disconnect the ignition coil's primary current to generate high voltage across the secondary coil, creating spark at spark plug.