Body Control Module Connector End Views

Body Control Module - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110244 24-Way F Micro-Pack 100 Series (PNK)
Pin	Wire Color	Circuit No.	Function
A1	DK BLU	1393	Interior Lamp Relay Coil Control
A2	WHT	1080	Park Lamp Relay Control
A3	ORN	2140	Battery Positive Voltage
A4	-	-	Not Used
A5	LT GRN	1037	BCM Class 2 Serial Data
A6	BLK	1050	Ground
A7	BLK	1050	Ground
A8	LT GRN/BLK	592	DRL Relay Control
A9	-	-	Not Used
A10	WHT	156	Courtesy Lamp Low Control
A11	LT GRN	377	Keyless Entry Serial Data (w/o 9C1/9C3)
A12	PPL	1500	Ignition 0 Voltage
B1	LT GRN/BLK	3140	Battery Positive Voltage (9C1/9C3)
B2	DK GRN/ WHT	1317	Fog Lamp Relay Control (Impala LS/ Monte Carlo SS)
B3	BLK/WHT	1969	Headlamp High Beam Relay Control
B4	-	-	Not Used
B5	BLK	28	Horn Relay Control
B6	DK BLU	38	Backup Lamp Relay Control
B7	BLK	1050	Ground
B8	TAN/WHT	816	A/T Shift Lock Solenoid Supply Voltage
B9	WHT	1459	Security System Sensor Supply Voltage
B10	PNK	1200	Headlamp High Beam Signal
B11	GRY	8	Instrument Panel Lamp Supply Voltage 1
B12	BLK	1835	Security System Sensor Low Reference

Body Control Module - 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	ORN	1940	Battery Positive Voltage
A2	LT BLU	1344	Trunk Release Relay Control
A3	YEL	1836	Security System Sensor Signal
A4	ORN	1840	Battery Positive Voltage
A5	LT GRN/BLK	1137	DRL Ambient Light Sensor Signal
A6	TAN	294	Door Lock Actuator Unlock Control
A7	GRY	295	Door Lock Actuator Lock Control
A8	GRY	157	Interior Lamp Control
A9	BRN/WHT	1571	Traction Control Switch Signal (w/o 9C1/9C3)
A10	PNK	139	Ignition 1 Voltage
A11	RED/BLK	744	Trunk Ajar Switch Signal
A12	TAN	694	Driver Door Lock Actuator Unlock Control
B1	-	-	Not Used
B2	YEL/BLK	1138	DRL Ambient Light Sensor Low Reference
B3	ORN/BLK	781	Door Lock Switch Signal
B4	YEL	10	Headlamp Switch Signal
B5	BLK/WHT	1251	Ground
B6	DK BLU/ WHT	1495	Courtesy Lamp Switch Signal
B7	PPL	328	Surveillance Mode Switch Signal (9C1/9C3)
B8	ORN	480	Load Management Control
B9	BLK	707	RAP Relay Coil Supply Voltage
B10-B12	-	-	Not Used

Body Control Module - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Micro-Pack 100 Series (GRY)
Pin	Wire Color	Circuit No.	Function
A1	DK BLU/WHT	727	Door Open Switch Signal
A2	LT BLU	74	Park Lamp Switch Signal
A3	-	-	Not Used
A4	DK GRN/ WHT	762	A/C Request Signal
A5	YEL	43	Accessory Voltage
A6	-	-	Not Used
A7	BLK	1576	Trunk Release Switch Signal
A8	DK BLU	49	Driver Door Open Switch Signal
B1	LT GRN	80	Key In Ignition Switch Signal
B2	DK BLU/ WHT	148	Courtesy Lamp Supply Voltage
B3	LT GRN	262	Driver Door Key Switch Signal (w/o 9C1/9C3)
B4	-	-	Not Used
B5	DK GRN	389	Vehicle Speed Signal
B6	LT GRN	1844	Park Brake Indicator Supply Voltage
B7	ORN	192	Front Fog Lamp Switch Signal (Impala LS/ Monte Carlo SS)
B8	-	-	Not Used