Body Control Module (BCM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15393122 Service: See Catalog 72-Way F Micro 64 (GY)
Pin	Wire Color	Circuit No.	Function
1	L-BU/BK	747	Left Rear Door Ajar Switch Signal (Sedan)
2-5	-	-	Not Used
6	WH	682	Door Lock Lock/Unlock Signal
7	WH	682	Door Lock Lock/Unlock Signal
8	WH	1080	Park Lamp Relay Control
9-12	-	-	Not Used
13	PK	849	Brake Fluid Level Sensor Signal (1)
14	L-BU	1134	Park Brake Switch Signal
15	YE	5199	Run/Crank Relay Coil Control
16	WH	193	Rear Defog Relay Control
17	D-BU	15	Right Turn Signal Lamp Supply Voltage
18	D-GN	5060	Low Speed GMLAN Serial Data
19	TN/WH	746	Right Front Door Ajar Switch Signal
20	L-GN/BK	748	Right Rear Door Ajar Switch Signal (Sedan)
21	-	-	Not Used
22	GY/BK	745	Left Front Door Ajar Switch Signal
23-26	-	-	Not Used
27-30	-	-	Not Used
31	OG/BK	737	Trunk Lamp Control
32	-	-	Not Used
33	D-GN/WH	1135	Brake Transmission Shift Interlock Solenoid Supply Voltage
34	-	-	Not Used
35	L-BU	14	Left Turn Signal Lamp Supply Voltage
36	D-GN	5060	Low Speed GMLAN Serial Data
37-43	-	-	Not Used
44	TN/WH	1969	Headlamp High Beam Relay Control
45-46	-	-	Not Used
47	YE	196	Windshield Wiper Motor Park Switch Signal
48-50	-	-	Not Used
51	D-GN	113	Windshield Wiper Switch On Signal
52-53	-	-	Not Used
54	YE	317	Fog Lamp Relay Coil Supply Voltage (T37)
55	OG/BK	744	Trunk Ajar Switch Signal
56	-	-	Not Used
57	BN	253	Trunk Release Relay Control
58-59	-	-	Not Used
60	TN	28	Horn Relay Control
61	BK/WH	1251	Signal Ground
62	RD/WH	1240	Battery Positive Voltage
63	GY	596	5-Volt Reference
64	BK/WH	751	Signal Ground
65	TN/WH	1704	Sensor Low Reference
66	GY/BK	1798	Low Reference (Sedan)
67	YE/BK	61	Outside Ambient Temperature Sensor Low Reference
68	WH	5075	Current Sensor Signal
69	-	-	Not Used
70	D-GN/WH	636	Outside Ambient Air Temperature Sensor Signal
71-72	-	-	Not Used