Body Control Module (BCM) - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1-A2	-	-	Not Used
A3	L-BU	244	Passenger Door Unlock Relay Control (AU3)
A4	PK/WH	1970	Headlamp Low Beam Relay Control
A5	WH	111	Hazard Switch Signal
A6	D-BU	245	Door Lock Relay Control (AU3)
A7	L-GN	1391	Driver Door Unlock Relay Control (AU3)
A8	L-BU	1344	Cargo Door Unlock Relay Control (AU3)
A9-A10	-	-	Not Used
A11	OG/WH	812	12-Volt Reference
A12	RD/WH	1140	Battery Positive Voltage
B1	TN/WH	1969	Headlamp High Beam Relay Control
B2	WH	1080	Park Lamp Relay Control
B3	TN	755	RAP Relay Coil Control (A31)
B4	L-GN/BK	592	DRL Low Control
B5	-	-	Not Used
B6	BK/WH	351	Ground
B7	TN	1835	Security System Sensor Low Reference
B8	PK	1348	Headlamp On Indicator Supply Voltage
B9	TN	28	Horn Relay Control
B10	-	-	Not Used
B11	GY	705	5-Volt Reference
B12	L-GN	1037	Class 2 Serial Data