Computer/Integrating Systems Connector End Views

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. 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		OEM: 15448125 (Delphi) 638277-3 (AMP) Service: See Catalog 52-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	860	Front Windshield Wiper Switch High Signal
2	WH	1459	Security System Sensor Supply Voltage
3	PK	1439	Ignition 1 Voltage
4	BK	28	Horn Relay Control
5	-	-	Not Used
6	BK	707	RAP Relay Control
7	BK/WH	1969	Headlamp High Beam Relay Control
8	D-GN/WH	1317	Fog Lamp Relay Control (T96)
9	PK/WH	1970	Headlamp Module Voltage Supply
10	WH	1080	Park Lamp Relay Control
11	YE	749	Security Indicator Control
12	GY	91	Wiper Relay Control
13	YE	196	Windshield Wiper Motor Park Switch Signal
14	BK	1835	Security System Sensor Low Reference
15	L-GN/BK	1137	DRL Ambient Light Sensor Signal
16	L-GN	526	Stop Lamp Switch Signal
17	BK	1550	Ground
18	-	-	Not Used
19	BK/WH	151	Ground
20	BK	1650	Ground
21	YE	5	Crank Voltage
22	PK	1239	Ignition 1 Voltage
23	BN	1141	Ignition 3 Voltage
24	TN	185	Low Washer Fluid Indicator Signal
25	WH/BK	644	12-Volt Reference
26	PK/BK	109	Hood Ajar Switch Signal (AP3)
27	GY	598	10-Volt Reference
28	BK	552	Low Reference
29	BN/WH	230	I/P Dimming Return
30	PK	1444	I/P Dimming Control
31	RD/WH	812	I/P Dimming Voltage Reference
32	BK	1576	Rear Compartment Lid Release Switch
33	BN	5077	Low Reference
34	BN/WH	1571	Traction Control Switch Signal (U68, UH8)
35	GY/BK	1598	I/P Dimming Return
36	PK/BK	1597	Courtesy Lamps Switch On Signal
37	BK/WH	1455	Keyless Entry Program Enable Signal
38	L-GN	1037	BCM Class 2 Serial Data
39	WH	17	Stop Lamp Switch Signal
40	L-GN	80	Key In Ignition Switch Signal
41	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
42	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
43	GY/BK	690	Courtesy Lamp Supply Voltage
44	OG	1732	Inadvertent Power Courtesy Lamp
45	-	-	Not Used
46	OG	340	Battery Positive Voltage
47	RD	228	Windshield Washer Pump Control
48	GY	8	Instrument Panel Lamp Supply Voltage
49	D-GN/WH	1135	A/T Shift Lock Control Solenoid Supply Voltage
50	OG	240	Battery Positive Voltage
51	OG	2440	Battery Positive Voltage
52	OG	1240	Battery Positive Voltage

Body Control Module (BCM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15444637 (Delphi) 638277-1 (AMP) Service: See Catalog 52-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	RD/BK	780	Driver Door Lock Switch Lock Signal
3	RD/BK	744	Rear Compartment Lid Ajar Switch
4	D-BU	245	Passenger Door Lock Switch Unlock Control
5	L-GN/BK	748	Right Rear Door Ajar Switch Signal
6	YE/BK	1181	Right Rear Door Open Switch Signal
7	L-BU/BK	747	Left Rear Door Ajar Switch Signal
8	L-GN	1177	Right Front Door Open Switch Signal
9	OG/BK	233	Park Brake Switch Signal
10	L-GN	1845	Chime Control (UD7)
11	OG/BK	781	Driver Door Lock Switch Unlock Signal
12-15	-	-	Not Used
16	WH	193	Rear Defog Relay Control
17	BK/WH	746	Right Front Door Ajar Switch Signal
18	D-BU/WH	1179	Left Rear Door Open Switch Signal
19	-	-	Not Used
20	D-GN/WH	1135	A/T Shift Lock Control Solenoid Supply Voltage
21	-	-	Not Used
22	L-GN	1123	Door Lock Key Switch Lock Signal
23	WH	5075	Remote Start Sensor Signal
24	PU	1124	Door Lock Key Switch Unlock Signal
25	TN	126	Left Front Door Open Switch Signal
26	GY/BK	745	Left Front Door Ajar Switch Signal
27-29	-	-	Not Used
30	WH	17	Stop Lamp Switch Signal
31	L-BU	244	Passenger Door Lock Switch Lock Control
32-34	-	-	Not Used
35	YE	2080	Driver Heated Seat Cushion Temperature Sensor Low Reference (KA1)
36	PK	2435	Passenger Heated Seat Cushion Temperature Sensor Low Reference (KA1)
37	YE/BK	2079	Heated Seat Cushion Temperature Sensor Signal (KA1)
38	GY	2434	Passenger Heated Seat Cushion Temperature Sensor Signal (KA1)
39	TN/WH	2430	Passenger Heated Seat Relay Control (KA1)
40	PU	2477	Driver Heated Seat Relay Control (KA1)
41	-	-	Not Used
42	L-GN	24	Backup Lamp Supply Voltage
43	YE	18	Left Rear Stop/Turn Lamp Supply Voltage
44	GY	8	Instrument Panel Lamp Supply Voltage
45	L-BU	1344	Trunk Release Control
46	TN	694	Driver Door Lock Actuator Unlock Control
47	-	-	Not Used
48	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage
49	OG	440	Battery Positive Voltage
50	BK	550	Ground
51	TN	294	Door Lock Actuator Unlock Control
52	GY	295	Door Lock Actuator Lock Control

Body Control Module (BCM) C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 638397-1 (AMP) 15383281 (Delphi) Service: See Catalog 18-Way F Unsealed (BK)
Pin	Wire Color	Circuit No.	Function
1-3	-	-	Not Used
4	L-BU/WH	1414	Left Turn Signal Switch Signal
5	L-BU	1714	Windshield Washer Switch Low Signal
6	D-BU	658	Cellular Telephone Voice Signal
7	WH	103	Headlamp Switch Headlamps On Signal
8	BN/WH	301	Park Lamp Switch On Signal
9	-	-	Not Used
10	L-BU	1872	Exterior Lamps Off Input
11	OG	192	Front Fog Lamp Switch Signal
12	PU	524	Headlamp Dimmer Switch High Beam Signal
13	PK	94	Windshield Washer Switch Signal
14	BN	1356	Flash To Pass Switch Signal
15	BK/WH	1251	Ground
16	TN	2144	Hazard Switch Signal
17	D-BU/WH	1415	Right Turn Signal Switch Signal
18	L-GN	1715	Windshield Washer Switch High Signal

Data Link Connector (DLC)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15488184 Service: See Catalog 16-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU	1132	DLC Class 2 Serial Data
3	-	-	Not Used
4	BK	1450	Ground
5	BK/WH	1551	Ground
6	YE	2361	SAE J1939 Serial Data (+) (LY7)
7-13	-	-	Not Used
14	D-GN	2362	SAE J1939 Serial Data (-) (LY7)
15	-	-	Not Used
16	OG	2340	Battery Positive Voltage

Splice Pack SP205

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15450641 Service: See Catalog 12-Way F GT 150 Series (GY)
Pin	Wire Color	Circuit No.	Function
A	PU	1132	DLC Class 2 Serial Data
B	D-GN	1049	ECM/PCM Class 2 Serial Data
C	-	-	Not Used
D	OG	1044	Radio Class 2 Serial Data
E	L-BU	1122	ABS/TCS Class 2 Serial Data
F	D-BU	1128	SDM Class 2 Serial Data
G	GY	1036	IPC Class 2 Serial Data
H	-	-	Not Used
J	L-GN	2271	ADG Class 2 Serial Data (UE1)
K	-	-	Not Used
L	WH	1038	HVAC Class 2 Serial Data
M	L-GN	1037	BCM Class 2 Serial Data