Technician A says when replacing a halogen headlight bulb, touching the bulb with your fingers can shorten the life of the bulb. Technician B says the ignitor of an HID headlight provides the initial 10,000 to 25,000 volts to jump the gap. Who is correct?
A) Technician A only
B) Technician B only
C) Both Technician A and B
D) Neither Technician A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because the oils from your fingers can create hot spots on the halogen bulb, leading to premature failure. Technician B is correct because HID (High-Intensity Discharge) headlights require a high voltage ignitor to start the arc that illuminates the bulb.

Technician a Says When Replacing a Halogen Headlight Bulb, Touching