Daytime running lights are being discussed. Technician A says DRLs turn on when the parking brake is applied. Technician B says the DRL module applies 6 volts to the high beam filaments when the ignition is on and the headlights are turned off. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because DRLs typically operate by applying a reduced voltage to the high beam filaments when the ignition is on and the headlights are off. Technician A is incorrect as DRLs usually turn off when the parking brake is applied.

Daytime Running Lights Are Being Discussed