Some General Motors electric fuel pump circuits incorporate a(n) ________ that functions as a back-up circuit to energize the fuel pump relay.

Question

Quizplus · Accepted Answer

Some General Motors vehicles have an oil pressure switch that is wired to a fuel pump relay as a back-up circuit. If the fuel pump relay fails to energize, the oil pressure switch will provide power to the fuel pump. This is a safety feature that ensures the fuel pump continues to operate even if the fuel pump relay fails.

Some General Motors Electric Fuel Pump Circuits Incorporate A(n) ________