Computer/Integrating Systems Connector End Views. Buick Lucerne 2006

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 Body 🢒 Lighting Systems 🢒 Computer/Integrating Systems Connector End Views

Connector 1:	Body Control Module (BCM) C1
Connector 2:	Body Control Module (BCM) C2
Connector 3:	Body Control Module (BCM) C3
Connector 4:	Body Control Module (BCM) C4
Connector 5:	Body Control Module (BCM) C5
Connector 6:	Body Control Module (BCM) C6
Connector 7:	Body Control Module (BCM) C7
Connector 8:	Data Link Connector (DLC)

Body Control Module (BCM) C1

Connector Part Information

OEM: HITPB-27-A-LM
Service: See Catalog
Description: 27-Way F (GN)

Terminal Part Information

Pins: 2, 3, 4, 5, 6, 8, 9, 14, 15, 16, 17, 18, 19, 21, 24, 25, 26
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C1

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	WH	1390	Off/Run/Crank Voltage
3	GY/PK	1884	Cruise Control Set/Coast/Resume/Accel Switch Signal
4	WH/BK	1073	Ignition Key Resistor Signal
5	L-GN	1715	Windshield Wiper Switch High Signal
6	D-BU	1796	Steering Column Radio Control Signal
7	--	--	Not Used
8	BK/WH	1251	Ground
9	L-BU	1714	Windshield Wiper Switch Low Signal
10-13	--	--	Not Used
14	PK	3	Ignition 1 Voltage
15	L-BU/WH	1414	Left Turn Signal Switch Signal
16	D-BU/WH	1415	Right Turn Signal Switch Signal
17	PU	1375	Remote Radio Control ACC Supply Voltage
18	PU/L-GN	524	Headlamp Switch High Beam Signal
19	TN	2144	Hazard Switch Signal
20	--	--	Not Used
21	BN	4	Accessory Voltage
22-23	--	--	Not Used
24	PK	94	Windshield Washer Switch Signal
25	YE	307	Flash to Pass Switch Signal
26	PU/WH	816	Brake Transmission Shift Interlock Solenoid Control (AN3)
27	--	--	Not Used

Body Control Module (BCM) C2

Connector Part Information

OEM: HITPB-25-B-S
Service: See Catalog
Description: 25-Way F (WH)

Terminal Part Information

Pins: 1, 2, 3
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 8, 10, 11, 12, 17, 18, 21, 22
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C2

Pin	Wire Color	Circuit No.	Function
1	OG	1732	12 Volt Reference
2	PK/D-BU	3140	Battery Positive Voltage
3	GY	8	Instrument Panel Lamp Supply Voltage
4	--	--	Not Used
5	GY/BK	690	Courtesy Lamp Relay Control
6-7	--	--	Not Used
8	L-BU/TN	13	Park Lamp Switch ON Signal
9	--	--	Not Used
10	L-BU	383	Trunk Release Control
11	L-GN/BK	1137	Ambient Light Sensor Signal
12	WH	103	Headlamp Switch Off Signal
13-16	--	--	Not Used
17	D-GN	306	Park Lamp Switch ON Signal
18	PK/BK	1597	Courtesy Lamp Switch On Signal
19-20	--	--	Not Used
21	BN/WH	1571	Traction Control Switch Signal
22	PU	6027	Brake Transmission Shift Interlock Solenoid Control (A51)
23-25	--	--	Not Used

Body Control Module (BCM) C3

Connector Part Information

OEM: HITPB-25-C-LE
Service: See Catalog
Description: 25-Way F (BU)

Terminal Part Information

Pins: 1, 2, 3, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 25
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C3

Pin	Wire Color	Circuit No.	Function
1	BK	450	Ground
2	D-GN/PU	1940	Battery Positive Voltage (Early Production)
2	D-GN/GY	1940	Battery Positive Voltage (Late Production)
3	PK/GY	3040	Battery Positive Voltage
4	--	--	Not Used
5	BK	450	Ground
6-7	--	--	Not Used
8	TN/BK	2500	High Speed GMLAN Serial Data Bus +
9	TN	2501	High Speed GMLAN Serial Data Bus -
10	D-GN	5060	Low Speed GMLAN Serial Data
11	PK	1444	I/P Dimming Signal
12	OG/WH	812	12 Volt Reference
13	L-BU/YE	5361	Brake Apply Sensor Signal
14	L-BU/BK	853	Brake Apply Sensor Low Reference
15	GY	5381	Brake Apply Sensor 5 Volt Reference
16	TN/BK	2500	High Speed GMLAN Serial Data Bus +
17	TN	2501	High Speed GMLAN Serial Data Bus -
18	YE	1491	Backlight Lamp Control
19	OG/YE	5727	High Speed GMLAN Serial Data Wake Up
20	--	--	Not Used
21	OG	192	Front Fog Lamp Switch Signal (T96)
22	D-GN/WH	7158	Cruise Control Indicator Dimming Signal
23-24	--	--	Not Used
25	PU/WH	1382	LED Dimming Signal

Body Control Module (BCM) C4

Connector Part Information

OEM: HITPB-25-D-K
Service: See Catalog
Description: 25-Way F (BK)

Terminal Part Information

Pins: 1, 2, 3, 4, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 7, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C4

Pin	Wire Color	Circuit No.	Function
1	RD/YE	340	Battery Positive Voltage
2	TN/PK	5040	Battery Positive Voltage (Early Production)
2	TN/OG	5040	Battery Positive Voltage (Late Production)
3	RD/GN	440	Battery Positive Voltage
4	RD/WH	1240	Battery Positive Voltage (Early Production)
4	RD/YE	1240	Battery Positive Voltage (Late Production)
5	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
6	--	--	Not Used
7	YE/PU	196	Windshield Wiper Motor Park Switch Signal
8	--	--	Not Used
9	BK	50	Ground
10	TN/OG	3640	Battery Positive Voltage
11	D-GN/WH	1317	Fog Lamp Relay Control
12-13	--	--	Not Used
14	L-GN	482	Outside Moisture Sensor Signal 2
15	OG/GY	227	Windshield Washer Relay Control
16	TN/WH	1969	Headlamp High Beam Relay Control
17	PK/BK	109	Hood Ajar Switch Signal
18	TN/YE	481	Outside Moisture Sensor Signal 1
19	D-BU/WH	5985	Accessory Wake up Serial Data
20	D-BU	6561	Right Cornering Lamp Relay Control
21	PK	1439	Run/Crank Ignition 1 Voltage
22	--	--	Not Used
23	PU	544	DRL Relay Control
24	BN	6560	Left Cornering Lamp Relay Control
25	--	--	Not Used

Body Control Module (BCM) C5

Connector Part Information

OEM: HITPB-25-E-N
Service: See Catalog
Description: 25-Way F (BN)

Terminal Part Information

Pins: 1, 2, 4, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 5
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 6, 8, 9, 10, 11, 13, 15, 16, 18, 20, 21, 23, 24
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C5

Pin	Wire Color	Circuit No.	Function
1	YE	18	Left Rear Stop/Turn Lamp Supply Voltage
2	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage
3	--	--	Not Used
4	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
5	L-BU	1320	Stop Lamp Relay Coil Supply Voltage
6	WH	17	Stop Lamp Switch Signal
7	--	--	Not Used
8	PK	5076	Current Sensor Supply Voltage
9	PU/WH	5075	Current Sensor Signal
10	BN	5077	Current Sensor Low Reference
11	BK/TN	707	RAP Relay Coil Supply Voltage
12	--	--	Not Used
13	L-GN/BN	5486	Run Relay Coil Control
14	--	--	Not Used
15	PU/OG	5531	Hood Closed Switch Signal
16	L-BU/WH	1134	Park Brake Switch Signal
17	--	--	Not Used
18	TN	28	Horn Relay Control
19	--	--	Not Used
20	GY	91	Wiper Relay Control
21	TN	860	Wiper High Speed Relay Control
22	--	--	Not Used
23	PK/WH	1970	Headlamp Low Beam Relay Control
24	D-BU	45	Park Lamp Relay Control
25	--	--	Not Used

Body Control Module (BCM) C6

Connector Part Information

OEM: HITPB-25-F-PK
Service: See Catalog
Description: 25-Way F (PK)

Terminal Part Information

Pins: 1, 2, 3
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 12, 14, 15, 16, 21
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C6

Pin	Wire Color	Circuit No.	Function
1	GY/BK	690	Courtesy Lamp Control
2	L-GN	24	Backup Lamp Supply Voltage
3	GY	8	Instrument Panel Lamp Supply Voltage
4-11	--	--	Not Used
12	OG/GY	744	Trunk Ajar Switch Signal
13	--	--	Not Used
14	L-GN/BK	748	Right Rear Door Ajar Switch Signal
15	L-BU/BK	747	Left Rear Door Ajar Switch Signal
16	D-BU/WH	1179	Left Rear Door Open Switch Signal
17-20	--	--	Not Used
21	YE	1491	Backlight Lamp Control
22-25	--	--	Not Used

Body Control Module (BCM) C7

Connector Part Information

OEM: HITPB-28-G-H
Service: See Catalog
Description: 28-Way F (GY)

Terminal Part Information

Pins: 2
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 7, 9, 22, 25
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C7

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	L-BU	1344	Trunk Release Relay Control
3-6	--	--	Not Used
7	L-BU/BK	6692	Rear Door Lock Control
8	--	--	Not Used
9	L-BU/WH	6693	Rear Door Unlock Control
10-17	--	--	Not Used
18	D-GN/L-BU	170	Power Window Master Switch Right Rear Up Signal
19	PU	169	Power Window Master Switch Left Rear Down Signal
20	--	--	Not Used
21	D-BU	1307	Power Window Master Switch Lockout Signal
22	D-GN	5060	Low Speed GMLAN Serial Data
23-24	--	--	Not Used
25	PU/WH	1382	LED Dimming Signal
26	PU	171	Power Window Master Switch Right Rear Down Signal
27	L-GN/GY	280	Power Window Master Switch Lockout Right Rear Signal
28	D-GN/RD	168	Power Window Master Switch Left Rear Up Signal

Data Link Connector (DLC)

Connector Part Information

OEM: 348822-2
Service: 89046778
Description: 16-Way F AMP Diagnostic Connector (BK)

Terminal Part Information

Pins: 1, 4, 5, 6, 7, 14, 16
Terminal/Tray: 776001-1/16
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Data Link Connector (DLC)

Pin	Wire Color	Circuit No.	Function
1	D-GN	5060	Low Speed GMLAN Serial Data
2-3	--	--	Not Used
4	BK	350	Ground
5	BK	350	Ground
6	TN/BK	2500	High Speed GMLAN Serial Data Bus +
7	WH/BK	5043	Keyword 2000 Serial Data (A45)
8-13	--	--	Not Used
14	TN	2501	High Speed GMLAN Serial Data Bus -
15	--	--	Not Used
16	OG/PK	1840	Battery Positive Voltage