All of these are parts of the primary ignition circuit except

a. the ignition switch.
b. the ignition module.
c. pickup coil.
d. spark plug wiring.

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

answerapplication;