Body Control System Connector End Views

Identifying Body Control Module (BCM) C1 Connector End Views & Functions

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110245 32-Way F Metri-Pack 100 Series (PNK)
Pin	Wire Color	Circuit No.	Function
C1	BLK/WHT	99	Windshield Washer Fluid Level Signal
C2	PPL	709	Left Park Lamp Supply Voltage
C3	BLK/WHT	238	Driver Seat Belt Switch Signal
C4-C6	-	-	Not Used
C7	PNK	39	Ignition 1 Voltage
C8	LT BLU	2380	Rear Parking Assist Chime Signal
C9	ORN	840	Battery Positive Voltage
C10	LT GRN	1845	Chime Control
C11	-	-	Not Used
C12	PPL/WHT	549	Headlamp Switch Headlamps Off Signal
C13	-	-	Not Used
C14	WHT	156	Courtesy Lamp Low Control
C15	GRY	157	Interior Lamp Control
C16	BLK	450	Ground
D1	ORN	1732	Courtesy Lamps Supply Voltage
D2-D9	-	-	Not Used
D10	DK BLU	1393	Interior Lamp Relay Coil Control
D11	BLK	1576	Trunk Release Switch Signal
D12	RED/BLK	744	Trunk Ajar Switch Signal
D13	DK BLU/WHT	1495	Courtesy Lamp Switch Signal
D14	PPL	806	Crank Voltage
D15-D16	-	-	Not Used

Identifying Body Control Module (BCM) C2 Connector End Views & Functions

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110244 24-Way F Micro-Pack 100 Series (PNK)
Pin	Wire Color	Circuit No.	Function
A1-A2	-	-	Not Used
A3	WHT	193	Rear Defog Relay Control
A4	YEL	234	Seat Belt Indicator Control
A5	YEL	182	Heated Seat Control Module Enable Signal
A6	LT GRN	275	Park Neutral Position Switch Park Signal
A7	PPL	1807	Class 2 Serial Data
A8	-	-	Not Used
A9	WHT	530	Off/Run/Crank Voltage
A10	-	-	Not Used
A11	LT BLU	1788	Traction Control Switch Signal
A12	BLK/WHT	351	Ground
B1	ORN	1240	Battery Positive Voltage
B2-B6	-	-	Not Used
B7	PPL	1807	Class 2 Serial Data
B8	LT BLU/WHT	181	Heated Seat Control Module Status Signal
B9-B12	-	-	Not Used