Front Blower Power Module (Automatic Temperature Control) Connector End View (C1)

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.

MODULE-FRONT BLOWER POWER C1 (ATC) - BLACK 4 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	-	-
2	Z134 12BK/LG	GROUND
3	C56 20VT	FRONT BLOWER CONTROL
4	C7 12DB	FRONT BLOWER MOTOR RELAY OUTPUT