FixVault

Line Pressure Sensor (545RFE) Connector End View

WARNING: This page is about a different car, the 2008 Jeep Grand Cherokee, 2007 Jeep Grand Cherokee, and 2006 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
SENSOR-LINE PRESSURE (545RFE) - 4 WAY

GCWH680356Courtesy of DAIMLERCHRYSLER CORP.
CAV CIRCUIT FUNCTION
1 K900 20DB/DG SENSOR GROUND
2 F856 20YL/PK 5 VOLT SUPPLY
3 T38 20YL/BR LINE PRESSURE SENSOR SIGNAL
4 - -