Engine Oil Pressure Sensor (Diesel) Connector End View

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

ENGINE OIL PRESSURE SENSOR (DIESEL) - BLACK 3 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	K301 20BR/LG	5 VOLT SUPPLY
2	K302 20BR/WT	ENGINE OIL PRESSURE SENSOR SIGNAL
3	K300 20BR	SENSOR GROUND