Secondary-Distributorless (Positive Fired)
Technical information Ignition coil is also referred to as a spark coil and used to transform lower voltages of power to the higher voltages of power required to fire a system's spark plugs. It is similar to an electric transformer, consists of primary and secondary winding circuits. Inside the coil's primary winding is the secondary winding. This is coiled around a multi-laminated iron core and has approximately 20,000 to 30,000 turns. One end is connected to the primary terminal and the other to the coil tower.
The ignition probe(HT25) voltage is produced by mutual induction between the primary winding and the secondary winding, with the central soft iron core intensifying the magnetic field between them.
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