Technician A says that an open ground circuit for a dual-filament lamp always causes the lamp to not illuminate. Technician B says that amber-colored stop lamp lenses should be used at the rear of the truck if the truck has separate stop/turn lamps. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

An open ground circuit can cause a dual-filament lamp to not illuminate, but it is not always the case as it depends on the circuit configuration. Amber-colored lenses are typically used for turn signals, not stop lamps, which are usually red.

Technician a Says That an Open Ground Circuit for a Dual-Filament