Battery Temperature Sensor Connector End View

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

BATTERY TEMPERATURE SENSOR - BLACK 2 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	K25 20DB/VT	BATT TEMP SIGNAL
2	K900 20DB/DG	SENSOR GROUND