Grand Cherokee 2WD V6-3.7L (2008)
Oil Pressure Sender: Description and Operation
Operation
OPERATION
The oil pressure switch is normally "Closed." The switch changes from a "Closed" circuit to an "Open" circuit, on increasing pressure of 7 psig. The oil
pressure switch changes from an "Open" circuit to a "Closed" circuit, on decreasing pressure, between 2 psig and 4 psig.
