FixVault

Throttle Position Sensor (3.7L) 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-THROTTLE POSITION (3.7L) - NATURAL 3 WAY

GCWH680397Courtesy of DAIMLERCHRYSLER CORP.
CAV CIRCUIT FUNCTION
1 F855 20PK/YL 5 VOLT SUPPLY
2 K900 20DB/DG SENSOR GROUND
3 K22 18BR/OR TP NO. 1 SIGNAL