Headlamp Switch Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15324433 18-Way F SOC (GRN)
Pin	Wire Color	Circuit No.	Function
1	PNK	1444	5-Volt Reference
2	PNK/BLK	1597	Interior Lamp Switch On Signal
3	PPL	328	Interior Lamp Defeat Switch Signal
4	BLK	1550	Ground
5-6	-	-	Not Used
7	ORN	192	Fog Lamp Switch Signal
8	LT BLU	13	Headlamp Switch Park Lamps Signal
9	BRN/WHT	230	Instrument Panel Lamps Dimming Control
10	GRY/BLK	1798	Low Reference
11	-	-	Not Used
12	GRY	8	Instrument Panel Lamp Supply Voltage
13	PPL	34	Fog Lamps Supply Voltage
14-15	-	-	Not Used
16	BLK	1450	Ground
17	YEL	10	Headlamp Switch Signal
18	-	-	Not Used