Body Control Module (BCM) C2 Connector End Views

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (GRY)
Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	WHT	682	Door Lock Lock/Unlock Signal
A3	YEL/BLK	1138	DRL Ambient Light Sensor Low Reference
A4	-	-	Not Used
A5	PNK	1200	Headlamp High Beam Signal
A6	BLK	1835	Security System Sensor Low Reference
A7	BLK/WHT	1576	Trunk Release Switch Signal
A8	PPL	16	Turn Signal Flasher Signal
A9	LT BLU	1134	Park Brake Switch Signal
A10-A11	-	-	Not Used
A12	PNK	849	Brake Fluid Level Sensor Signal
B1	ORN	1732	Courtesy Lamps Supply Voltage
B2	LT GRN /BLK	1137	DRL Ambient Light Sensor Signal
B3	-	-	Not Used
B4	DK BLU	1201	Headlamp Low Beam Signal
B5	-	-	Not Used
B6	YEL	1836	Security System Sensor Signal
B7	LT BLU /BLK	1322	SPI Serial Data B
B8	BRN	9	Park Lamp Supply Voltage
B9	PNK	439	Ignition 1 Voltage
B10	LT BLU	395	Passenger Door Ajar Switch Signal
B11	BLK/WHT	238	Driver Seat Belt Switch Signal
B12	LT GRN	80	Key In Ignition Switch Signal