What is the function of a solenoid switch in a starter motor?

List four possible causes of an engine not rotating during starting.

State four functions of a vehicle's air-conditioning system.

List any three types of pulse generators used in an electronic ignition system.

State two advantages of a sealed beam lamp.

State two disadvantages of a sealed beam lamp.

Name three effects produced when current flows in a circuit.

State two functions of an automotive relay.

Describe two types of electrical circuit faults in a motor vehicle.

List four maintenance practices carried out on a battery.

Name four engine management sensors and indicate what each one monitors.

State four advantages of an electronic ignition system over a conventional ignition system.

List three possible causes for each of the following charging system faults: i) Battery losing charge

List three possible causes for each of the following charging system faults: ii) Charge warning light staying on during engine operation

Explain three factors that determine the amount of resistance in a conductor.