Body Control System Connector End Views

WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) Terminal Identification - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064871 10-Way F Metri-Pack 150 Series (BLU)
Pin	Wire Color	Circuit No.	Function
A	WHT	156	Courtesy Lamp Low Control
B-D	-	-	Not Used
E	LT BLU	14	Left Turn Signal Lamps Supply Voltage
F	DK BLU	15	Right Turn Signal Lamps Supply Voltage
G	LT BLU/WHT	1414	Left Turn Signal Switch Signal
H	DK BLU/WHT	1415	Right Turn Signal Switch Signal
J	PNK	439	Ignition 1 Voltage
K	BLK/WHT	1750	Ground

Body Control Module (BCM) Terminal Identification - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191375 16-Way F Micro-Pack 100 Series (PPL)
Pin	Wire Color	Circuit No.	Function
A1	LT GRN	80	Key In Ignition Switch Signal
A2	LT BLU	1830	DRL Park Brake ON Signal
A3	LT GRN	1055	Low Tire Pressure Reset Switch Signal
A4	-	-	Not Used
A5	DK BLU /WHT	727	Door Ajar Switch Signal
A6	ORN/BLK	781	Driver Door Lock Switch Unlock Signal
A7	WHT	1756	Rear Compartment Lid Release Switch Signal
A8	LT GRN	1037	BCM Class 2 Serial Data
B1	YEL/BLK	1138	DRL Ambient Light Sensor Signal
B2	LT GRN/BLK	1137	DRL Ambient Light Sensor Low Reference
B3	WHT/BLK	1073	Ignition Key Resistor Signal
B4	PPL/WHT	1074	Ignition Key Resistor Low Reference
B5	DK BLU	49	Door Unlatch Switch Signal
B6	RED/BLK	780	Driver Door Lock Switch Lock Signal
B7	DK BLU /WHT	1495	Courtesy Lamp Control
B8	-	-	Not Used

Body Control Module (BCM) Terminal Identification - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110206 24-Way F Micro-Pack 100 Series (LT BLU)
Pin	Wire Color	Circuit No.	Function
A1	LT GRN	377	Serial Data
A2	LT BLU	1872	Exterior Lamps OFF Input
A3	-	-	Not Used
A4	GRY/BLK	308	Park Lamp Switch Signal On Input
A5	BLK	28	Horn Relay Control
A6	ORN	192	Fog Lamps Enable (Regal)
A7	TAN/WHT	816	A/T Shift Lock Solenoid Supply Voltage
A8	DK BLU	38	Backup Lamp Relay Control
A9	BRN	253	Trunk Release Relay Control
A10	BLK	707	RAP Relay Control (RAP)
A11	WHT	103	Automatic Headlamp Relay Control
A12	-	-	Not Used
B1-B3	-	-	Not Used
B4	ORN/BLK	737	Trunk Ajar Switch Signal
B5	YEL	10	Headlamp Switch Signal
B6	BRN/WHT	1571	Traction Control Switch Signal (Regal)
B7	-	-	Not Used
B8	YEL	443	Accessory Voltage
B9	PPL	806	Crank Voltage
B10	PPL	1500	Ignition 0 Voltage
B11	BLK/WHT	238	Seat Belt Switch - Left
B12	-	-	Not Used

Body Control Module (BCM) Terminal Identification - C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064769 10-Way F Metri-Pack 150 Series (NAT)
Pin	Wire Color	Circuit No.	Function
A	BLK	1750	Ground
B	BLK	1550	Ground
C	-	-	Not Used
D	ORN	2340	Battery Positive Voltage
E	TAN	694	Driver Door Lock Actuator Unlock Control
F	ORN	1732	Courtesy Lamps Supply Voltage
G	GRY	295	Door Lock Actuator Lock Control
H	TAN	294	Door Lock Actuator Unlock Control
J	ORN	1540	Battery Positive Voltage
K	ORN	240	Battery Positive Voltage