Oil Pressure Sensor (5.7L) Connector End View

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

SENSOR-OIL PRESSURE (5.7L) - BLACK 3 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	F855 20PK/YL	5 VOLT SUPPLY
2	G6 20VT/GY	ENGINE OIL PRESSURE SIGNAL
3	K900 20DB/DG	SENSOR GROUND