Body Control Module (BCM) Connector End View - C2

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	DK BLU	1796	Steering Wheel Radio Controls Supply Voltage
A3	TAN/BLK	254	Rear Door Unlock Relay Control
A4	PNK/WHT	1970	Headlamp Low Beam Relay Control
A5	-	-	Not Used
A6	GRY/BLK	255	Rear Door Lock Relay Control
A7	-	-	Not Used
A8	WHT	193	Rear Defog Relay Control
A9-A10	-	-	Not Used
A11	RED/WHT	812	12 Volt Reference
A12	ORN	1140	Battery Positive Voltage
B1	BLK/WHT	1969	Headlamp High Beam Relay Control
B2	WHT	1080	Park Lamp Relay Control
B3	DK BLU	1353	RAP Supply Voltage
B4	LT GRN/BLK	592	DRL Relay Control
B5	PPL	359	DRL Off Indicator Control
B6	BLK/WHT	1851	Ground
B7	BLK	1835	Security System Sensor Low Reference
B8	PNK	1348	Headlamp On Indicator Control
B9	BLK	28	Horn Relay Control
B10	-	-	Not Used
B11	GRY	1056	Dimmer Switch 5V Reference Voltage
B12	LT GRN	1037	BCM Class 2 Serial Data