Sun Sensor (Automatic Temperature Control) Connector End View

WARNING: This page is about a different car, the 2006 Jeep Commander. However, it is still accessible from the selected car via links, so may be relevant.

SENSOR-SUN (ATC) - BLACK 4 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	G39 20VT/LB	SUN SENSOR NO. 1 SIGNAL
2	G939 20VT/DB	SUN SENSOR RETURN
3	-	-
4	G139 20VT/OR	SUN SENSOR NO. 2 SIGNAL