Body Control Module (BCM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15393121 Service: See Catalog 72-Way F Micro 64 (GY)
Pin	Wire Color	Circuit No.	Function
1	BN/WH	2500	High Speed GMLAN Serial Data (+) (1)
2	TN/BK	2500	High Speed GMLAN Serial Data (+) (1)
3	YE	10	Headlamp Switch Signal
4	PU	524	Headlamp Dimmer Switch High Beam Signal
5	BN/WH	301	Park Lamp Switch On Signal
6-8	-	-	Not Used
9	WH	111	Hazard Switch Signal
10	TN	1576	Rear Compartment Lock Actuator Unlock
11	D-GN	264	Security Indicator Supply Voltage
12	TN/WH	1455	Keyless Entry Program Enable Signal
13	-	-	Not Used
14	TN	28	Horn Relay Control
15	WH	103	Headlamp Switch On Signal
16	OG	192	Front Fog Lamp Switch Signal (T37)
17	PU/WH	549	Headlamp Switch Headlamps Off Signal
18	-	-	Not Used
19	BN	2501	High Speed GMLAN Serial Data (-) (1)
20	TN	2501	High Speed GMLAN Serial Data (-) (1)
21-25	-	-	Not Used
26	D-GN	44	Instrument Panel Lamp Dimmer Switch Signal
27-37	-	-	Not Used
38	D-GN	5060	Low Speed GMLAN Serial Data
39-43	-	-	Not Used
44	L-GN/BK	1137	DRL Ambient Light Sensor Signal
45-46	-	-	Not Used
47	YE/BK	1138	DRL Ambient Light Sensor Low Reference
48-50	-	-	Not Used
51	BN	1356	Flash To Pass Switch Signal
52-53	-	-	Not Used
54	L-BU	20	Stop Lamp Supply Voltage
55	-	-	Not Used
56	WH	1390	Off/Run/Crank Voltage
57	GY	112	Windshield Wiper Switch Low/Pulse Signal
58	PU	719	Sensor Low Reference
59-60	-	-	Not Used
61	GY	1884	Cruise Control Set/Coast/Resume/Accelerate Switch Signal
62	WH/BK	1073	Ignition Key Resistor Signal
63-65	-	-	Not Used
66	YE/BK	1418	Left Rear Turn Signal Switch Signal
67	D-GN/WH	1419	Right Rear Turn Signal Switch Signal
68	L-BU	292	Rear Defog Switch Signal
69	L-GN	66	A/C Request Signal
70-71	-	-	Not Used
72	WH	193	Rear Defog Relay Control