Body Control Module (BCM) Connector End Views

Body Control Module (BCM) - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12177194 6-Way F Metri-Pack 150 Series (NA)
Pin	Wire Color	Circuit No.	Function
A	YE	1491	Backlight Lamps Control
B	PU/WH	1382	LED Dimming Signal
C	OG	4040	Battery Positive Voltage
D	OG	1732	Inadvertent Power Supply Voltage
E	BN/WH	230	Instrument Panel Lamps Dimming Control
F	RD/WH	2240	Battery Positive Voltage

Body Control Module (BCM) - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1-A2	-	-	Not Used
A3	L-BU	244	Passenger Door Lock Switch Lock Control (AU3)
A4	PK/WH	1970	Headlamp Low Beam Relay Control
A5	WH	111	Hazard Switch Signal
A6	D-BU	245	Passenger Door Lock Switch Unlock Control (AU3)
A7	L-GN	1391	Driver Door Unlock Relay Control (AU3)
A8	L-BU	1344	Cargo Door Release Relay Control (AU3)
A9-A10	-	-	Not Used
A11	OG/WH	812	12-Volt Reference
A12	RD/WH	1140	Battery Positive Voltage
B1	TN/WH	1969	Headlamp High Beam Relay Control
B2	WH	1080	Park Lamp Relay Control
B3	TN	755	RAP Relay Coil Control (A31)
B4	L-GN/BK	592	DRL Low Control
B5	-	-	Not Used
B6	BK/WH	351	Ground
B7	TN	1835	Security System Sensor Low Reference
B8	PK	1348	Headlamp On Indicator Supply Voltage
B9	TN	28	Horn Relay Control
B10	-	-	Not Used
B11	GY	705	5-Volt Reference
B12	L-GN	1037	Class 2 Serial Data

Body Control Module (BCM) - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12160778 24-Way F Micro-Pack 100 Series (BN)
Pin	Wire Color	Circuit No.	Function
A1-A5	-	-	Not Used
A6	YE	1836	Security System Sensor Signal
A7	-	-	Not Used
A8	D-GN	306	DRL On/Off Signal
A9-A10	-	-	Not Used
A11	PU	328	Interior Lamp Defeat Switch Signal
A12	-	-	Not Used
B1	YE	710	Class 2 Serial Data (Early Production)
B2	BN/WH	301	Park Lamp Switch On Signal
B3-B5	-	-	Not Used
B6	BK/WH	351	Ground
B7	-	-	Not Used
B8	OG/BK	2090	Dimming Input
B9	L-GN	11	Headlamp Dimmer Switch Signal
B10	-	-	Not Used
B11	L-BU	1788	Tow/Haul Switch Signal
B12	-	-	Not Used

Body Control Module (BCM) - C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110206 24-Way F Micro-Pack 100 Series (L-BU)
Pin	Wire Color	Circuit No.	Function
A1	L-GN	80	Key In Ignition Switch Signal
A2	YE	307	Headlamp Switch Flash to Pass Signal
A3	PK	1020	Ignition 0 Voltage
A4	PK	39	Ignition 1 Voltage
A5	L-GN	1177	Door Open Switch Signal
A6	-	-	Not Used
A7	L-BU	1134	Park Brake Switch Signal
A8-A9	-	-	Not Used
A10	YE/BK	1181	Rear Door Open Switch Signal (Passenger/Cargo)
A11	-	-	Not Used
A12	WH	103	Headlamp Switch Headlamps On Signal
B1-B2	-	-	Not Used
B3	YE	343	Accessory Voltage
B4	TN	126	Left Front Door Open Switch Signal
B5	L-BU	195	Door Lock Control (AU3)
B6	GY/BK	2226	Dimming Return
B7-B8	-	-	Not Used
B9	D-BU/WH	1495	Courtesy Lamps On Signal
B10	WH	194	Door Unlock Control (AU3)
B11-B12	-	-	Not Used

Body Control Module (BCM) - C5

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12177195 6-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A-C	-	-	Not Used
D	RD/WH	2140	Battery Positive Voltage
E	D-BU/WH	149	Courtesy Lamp Supply Voltage - w/o YF7
E	GY/BK	690	Courtesy Lamp High Control - w/YF7
F	L-GN	24	Backup Lamp Supply Voltage

Body Control Module (BCM) - C6 (PRP)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191375 16-Way F Micro-Pack 100 Series (PU)
Pin	Wire Color	Circuit No.	Function
A1	D-BU/WH	149	Dome Fluorescent Work Lamp Signal (UF2)
A2-A6	-	-	Not Used
A7	L-BU	1344	Access Panel Right Side Relay Control
A8	GY/BK	690	Dome Fluorescent Work Lamp Relay Control (UF2)
B1-B6	-	-	Not Used
B7	L-GN	1391	Access Panel Left Side Rear Relay Control
B8	L-BU	244	Access Panel Left Side Front Relay Control