Control module
The headlight is not a part of the emissions system.
Yes
Yes
Yes
yes
Dunnage
Yes and No. As far as the steering column no, that is part of the chassis electrical system. The ignition is part of the power train.
YesYes
The starter solenoid, despite its name, is not part of a vehicle's ignition system. It is used to send electric current to the starter motor, engaging the engine.
rack and pinion
datasheets
pcv valve