Body Control Module (BCM) C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		638397-1 18-Way F AMP (BK)
Pin	Wire Color	Circuit No.	Function
1-3	-	-	Not Used
4	L-BU/WH	1414	Left Turn Signal Switch Signal
5	L-BU	1714	Windshield Wiper Switch Low Signal
6	L-GN	696	Cruise Control Cancel Signal
7	WH	103	Headlamp Switch Headlamps On Signal
8	BN/WH	301	Park Lamp Switch On Signal
9	BN	738	Horn Switch Signal
10	L-BU	1872	Exterior Lamps Off Input
11	OG	192	Front Fog Lamp Switch Signal
12	PU	524	Headlamp Dimmer Switch High Beam Signal
13	PK	94	Windshield Washer Switch Signal
14	BN	1356	Flash To Pass Switch Signal
15	BK/WH	1251	Ground
16	TN	2144	Hazard Switch Signal
17	D-BU/WH	1415	Right Turn Signal Switch Signal
18	L-GN	1715	Windshield Wiper Switch High Signal