Computer/Integrating Systems Connectors

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15359050 56-Way F Mixed (BK)
Pin	Wire Color	Circuit Number	Function
A1	-	-	Not Used
A2	YE	317	Fog Lamp Relay Control
A3	L-BU	14	Left Turn Signal Lamps Supply Voltage
A4	GY/BK	690	Courtesy Lamp Supply Voltage (TR9)
A5	PK/WH	1970	Headlamp Relay Control
A6	BK	755	RAP Relay Coil Control
A7	OG	740	Battery Positive Voltage
A8	D-GN	113	Windshield Wiper Switch Signal 2
A9-A10	-	-	Not Used
A11	L-BU	244	Passenger Door Lock Switch Lock Control (AUO)
A12	WH	194	Door Unlock Control (AUO)
A13-A17	-	-	Not Used
A18	BK/WH	1969	Beam Select Relay Control
A19	D-BU	15	Right Turn Signal Lamps Supply Voltage
A20	YE	196	Windshield Wiper Motor Park Switch Signal
A21-A23	-	-	Not Used
A24	BN/WH	301	Park Lamp Relay Control
A25	BK/WH	238	Seat Belt Switch - Left
A26	OG	300	Ignition 3 Voltage
A27-A28	-	-	Not Used
A29	OG	1732	Courtesy Lamps Supply Voltage
A30	OG	1732	Courtesy Lamps Supply Voltage
A31	L-BU	1134	Park Brake Switch Signal
A32	GY/BK	745	Left Front Door Ajar Switch Signal
A33-A37	-	-	Not Used
A38	L-GN/BK	748	Right Rear Door Ajar Switch Signal
A39	BK/WH	746	Right Rear Door Ajar Switch Signal (CREW CAB)
A40	BK	28	Horn Relay Control
A41	PU	1807	Class 2 Serial Data (UE1)
A42	PU	1807	Class 2 Serial Data
A43	D-GN/WH	762	A/C Request Signal
A44	L-BU/BK	747	Left Rear Door Ajar Switch Signal (CREW CAB)
A45	PK	849	Brake Fluid Level Sensor Signal
A46	WH	156	Courtesy Lamp Low Control
A47	PU	1807	Class 2 Serial Data
A48	BN	9	Park Lamp Supply Voltage
B1	YE	18	Left Rear Turn Signal Lamps Supply Voltage
B2	D-GN	19	Right Rear Turn Signal Lamps Supply Voltage
B3	BK/WH	1251	Ground
B4	RD	228	Windshield Washer Pump Control
B5	OG	840	Battery Positive Voltage
B6	D-BU	338	Run/Crank Voltage
B7	BN	4	Accessory Voltage
B8	OG	1340	Battery Positive Voltage

Body Control Module (BCM) C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15359049 56-Way F Micro 64 GT 280 (GY)
Pin	Wire Color	Circuit Number	Function
A1	PU	524	Headlamp Dimmer Switch High Beam Signal
A2	WH	103	Headlamp Switch Headlamps On Signal
A3	GY	112	Windshield Wiper Switch Signal 1
A4	BN/WH	230	Instrument Panel Lamps Dimming Control
A5	YE	183	Front Fog Lamp Indicator Control
A6	-	-	Not Used
A7	BN/WH	301	Park Lamp Relay Control
A8	BN	1356	Flash To Pass Switch Signal
A9	PU/WH	549	Headlamp Switch Headlamps Off Signal
A10	PU	719	Low Reference
A11	D-BU/WH	1495	Dome Override Switch Signal
A12	PU	328	Interior Lamp Switch Signal
A13	WH/BK	158	Cargo lamp Switch Signal (TR9)
A14	WH	1390	Off/Run/Crank Voltage
A15-A16	-	-	Not Used
A17	BN/WH	1571	Traction Control Switch Signal (2WD w/NW9)
A18	OG	192	Fog Lamps Enable (T96)
A19	GY	728	Security Indicator Control
A20-A24	-	-	Not Used
A25	BK	28	Horn Relay Control
A26	PU/WH	1572	TCS Requested Indicator Control (2WD w/NW9)
A27	-	-	Not Used
A28	GY	8	Instrument Panel Lamps Dimmer Switch Signal
A29	GY	8	Instrument Panel Lamps Dimmer Switch Signal
A30	-	-	Not Used
A31	BN	323	Shift Solenoid Supply Voltage
A32-A34	-	-	Not Used
A35	GY	8	Instrument Panel Lamp Dimmer Switch Signal
A36	GY	8	Instrument Panel Lamp Dimmer Switch Signal
A37	WH	278	Ambient Light Sensor Signal
A38	PU	1807	Class 2 Serial Data
A39	PU	1807	Class 2 Serial Data
A40	OG	1732	Courtesy Lamps Supply Voltage (TR9)
A41	WH	156	Courtesy Lamp Low Control (TR9)
A42	WH/BK	1073	Ignition Key Resistor Signal
A43	BK	279	Ambient Light Sensor Low Reference
A44	PU	1807	Class 2 Serial Data
A45	L-BU	1508	Turn Signal Switch Signal
A46	OG	1732	Courtesy Lamps Supply Voltage (TR9)
A47	WH	156	Courtesy Lamp Low Control (TR9)
A48	WH	111	Hazard Switch Signal
B1-B2	-	-	Not Used
B3	D-GN	19	Right Rear Turn Signal Lamps Supply Voltage
B4	YE	18	Left Rear Turn Signal Lamps Supply Voltage
B5	RD	228	Windshield Washer Pump Control
B6	-	-	Not Used
B7	BN	4	Accessory Voltage
B8	D-BU	338	Run/Crank Voltage

Data Link Connector (DLC) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317575 16-Way F Metri-Pack/150 Series (BK)
Pin	Wire Color	Circuit Number	Function
1	-	-	Not Used
2	PU	1807	Class 2 Serial Data
3	-	-	Not Used
4	BK	2050	Ground
5	BK/WH	1151	Ground
6-15	-	-	Not Used
16	OG	40	Battery Positive Voltage