Answer:
The pickup coil ( C )
Explanation:
the ignition circuit is designed and divided into two circuits namely the primary ignition circuit and the secondary ignition circuits
The primary Ignition circuit is made up of : the ignition switch ,the ignition module, the battery, resistor, and spark plug wiring also known as primary coil wiring
The secondary Ignition circuit is made up of : The pickup coil (ignition coil) , spark plug and distributor.
therefore the pickup coil is not part of the primary Ignition circuit system
