A/C High Pressure Switch (4.0L) 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.

A/C HIGH PRESSURE SWITCH (4.0L) - BLACK 2 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	C221 20LB/OR	A/C SELECT SIGNAL
2	C22 20LB/WT	A/C SWITCH SIGNAL