Technician A says a ground in the circuit between the indicator light and the pressure switch could cause the oil pressure light to stay on when the engine is running. Technician B says an open in the pressure switch could cause the oil pressure light to stay on. 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

A ground in the circuit between the indicator light and the pressure switch could cause the oil pressure light to stay on, as it would complete the circuit and illuminate the light. An open in the pressure switch would prevent the circuit from completing, causing the light to stay off, not on.

Technician a Says a Ground in the Circuit Between the Indicator