Data Communication Connector End Views. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Data Communication 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 (PRP)
Connector 7:	Data Link Connector (DLC)

Body Control Module (BCM) - C1

Connector Part Information

OEM: 12177194
Service: 15305927
Description: 6-Way F Metri-Pack 150 Series (NA)

Terminal Part Information

Terminal/Tray: 12129484/19
Core/Insulation Crimp: Pins A, B, E, F - E/C
Core/Insulation Crimp: Pins C, D - E/A
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Body Control Module (BCM) - C1

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

Connector Part Information

OEM: 12110088
Service: 15306210
Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Body Control Module (BCM) - C2

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	L-BU	244	Passenger Door Unlock Relay Control (AU3)
A4	PK/WH	1970	Headlamp Low Beam Relay Control
A5	WH	111	Hazard Switch Signal
A6	D-BU	245	Door Lock Relay Control (AU3)
A7	L-GN	1391	Driver Door Unlock Relay Control (AU3)
A8	L-BU	1344	Cargo Door Unlock 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 (AU0)
B10	--	--	Not Used
B11	GY	705	5-Volt Reference
B12	L-GN	1037	Class 2 Serial Data

Body Control Module (BCM) - C3

Connector Part Information

OEM: 12160778
Service: 12160778
Description: 24-Way F Micro-Pack 100 Series (BN)

Terminal Part Information

Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Body Control Module (BCM) - C3

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	--	--	Not Used
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

Connector Part Information

OEM: 12110206
Service: 12110206
Description: 24-Way F Micro-Pack 100 Series (L-BU)

Terminal Part Information

Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Body Control Module (BCM) - C4

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

Connector Part Information

OEM: 12177195
Service: 15305931
Description: 6-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

Terminal/Tray: 12129484/19
Core/Insulation Crimp: Pins D, E - E/A
Core/Insulation Crimp: Pins E, F - E/C
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Body Control Module (BCM) - C5

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 (Passenger/Cargo/Cutaway w/DF5)

Body Control Module (BCM) - C6 (PRP)

Connector Part Information

OEM: 12191375
Service: 15306041
Description: 16-Way F Micro-Pack 100 Series (PU)

Terminal Part Information

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

Body Control Module (BCM) - C6 (PRP)

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

Data Link Connector (DLC)

Connector Part Information

OEM: 12110250
Service: 12110250
Description: 16-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

Terminal/Tray: 12129484/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Data Link Connector (DLC)

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	PU	1132	Class 2 Serial Data
3	--	--	Not Used
4	BK/WH	351	Ground
5	BK/WH	351	Ground
6	TN/WH	2500	High Speed GMLAN Serial Data Bus (+)
7-13	--	--	Not Used
14	TN	2501	High Speed GMLAN Serial Data Bus (-)
15	--	--	Not Used
16	RD/WH	640	Battery Positive Voltage