Computer/Integrating Systems Connector End Views

WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	L-GN	1391	Driver Door Unlock Relay Control
A3	L-BU	195	Door Lock Relay Control
A4	WH	194	Door Unlock Relay Control
A5-A6	-	-	Not Used
A7	OG/BK	781	Driver Door Lock Switch Unlock Signal
A8	RD/BK	780	Driver Door Lock Switch Lock Signal
B1	-	-	Not Used
B2	D-BU	1201	Headlamp Low Beam Signal
B3	-	-	Not Used
B4	L-BU	74	Park Lamp Switch Signal
B5	-	-	Not Used
B6	L-GN/BK	1137	DRL Ambient Light Sensor Signal
B7	YL/BK	1138	DRL Ambient Light Sensor Low Reference
B8	L-GN	66	A/C Request Signal

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	L-GN	867	ABS Indicator Failure Control
A2	L-BU	1134	Park Brake Switch Signal
A3	PK	1200	Headlamp High Beam Signal
A4	-	-	Not Used
A5	PU	333	Brake Fluid Level Sensor Signal
A6	BN	96	Windshield Wiper Switch Pulse Delay Signal
A7	L-BU	832	Traction Control Active Signal
A8	PK	94	Windshield Washer Switch Signal (Not Used)
A9	RD	228	Windshield Washer Pump Control
A10	PK	339	Ignition 1 Voltage
A11	L-GN	80	Key In Ignition Switch Signal
A12	BK/WH	746	Passenger Door Ajar Switches Signal
B1	D-GN	264	Security Indicator Control
B2	GY/BK	745	Left Front Door Ajar Switch Signal
B3	L-BU	292	Rear Defog Switch Signal
B4	RD/BK	744	Rear Compartment Lid Ajar Switch Signal
B5	D-GN	392	Rear Window Washer Pump Control
B6	WH	2192	Traction Ready Indicator Control
B7	BK/WH	56	Trunk Release Switch Signal
B8	BK/WH	99	Windshield Washer Fluid Level Signal
B9	YE	743	Accessory Voltage
B10	BN	9	Park Lamp Supply Voltage
B11	L-GN	1478	Coolant Level Switch Signal
B12	-	-	Not Used

Body Control Module (BCM) - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110244 24-Way F Micro-Pack 100 Series (PK)
Pin	Wire Color	Circuit No.	Function
A1	WH	156	Dome Lamp Control
A2	RD/WH	812	12-Volt Reference
A3	WH	352	Headlamp Relay Coil Supply Voltage
A4	D-BU	1660	Traction Control Indicator Control
A5	OG/BK	1445	Windshield Wiper Relay Control
A6	OG/BK	1445	Windshield Wiper Relay Control (Not Used)
A7	WH	1080	Park Lamp Relay Control
A8	L-GN/BK	592	DRL Relay Control
A9	GY	1359	LCD Backlighting Lamp Control
A10-A11	-	-	Not Used
A12	TN	2501	CAN Low
B1	TN/WH	816	A/T Shift Lock Solenoid Control
B2	BK	28	Horn Relay Control
B3	OG/BK	1057	Low Reference
B4	GY	112	Windshield Wiper Switch Signal 1
B5	GY/BK	1381	LCD Dimming Signal
B6	WH	193	Rear Defog Relay Control
B7	YE	1836	Security System Sensor Signal
B8	D-GN	113	Windshield Wiper Switch Signal 2
B9	-	-	Not Used
B10	PU	1807	Class 2 Serial Data
B11	TN/WH	2500	CAN High
B12	-	-	Not Used

Body Control Module (BCM) - C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110626 8-Way F Metri-Pack 280 Series (GY)
Pin	Wire Color	Circuit No.	Function
A	OG	1732	Courtesy Lamp Supply Voltage
B-C	-	-	Not Used
D	OG	2540	Battery Positive Voltage
E	GY	8	Instrument Panel Lamps Dimmer Switch Signal
F	BK	550	Ground
G	GY	382	Trunk Release Enable Relay Switch Supply Voltage
H	OG	1640	Battery Positive Voltage

Data Link Connector (DLC)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317575 16-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU	1807	Class 2 Serial Data
3	-	-	Not Used
4	BK	550	Ground
5	BK	451	Ground
6	-	-	Not Used
7	PU	1319	Engine/Radio Serial Data K-Line
8-11	-	-	Not Used
12	L-BU	1276	ABS Serial Data K-Line
13-15	-	-	Not Used
16	OG	2140	Battery Positive Voltage