Body Control Connector End View Module - (BCM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		638277-1 52-Way F AMP (BK)
Pin	Wire Color	Circuit Number	Function
1	-	-	Not Used
2	RD/BK	780	Driver Door Lock Switch Lock Signal
3	RD/BK	744	Rear Compartment Lid Ajar Switch
4	D-BU	245	Passenger Door Lock Switch Unlock Signal
5	L-GN/BK	748	Right Rear Door Ajar Switch Signal
6	YE/BK	1181	Right Rear Door Open Switch Signal
7	L-BU/BK	747	Left Rear Door Ajar Switch Signal
8	L-GN	1177	Right Front Door Open Switch Signal
9	OG/BK	233	Park Brake Switch Signal
10	-	-	Not Used
11	OG/BK	781	Driver Door Lock Switch Unlock Signal
12-14	-	-	Not Used
15	L-BU	263	Tamper Switch Signal
16	WH	193	Rear Defog Relay Control
17	BK/WH	746	Right Front Door Ajar Switch Signal
18	D-BU/WH	1179	Left Rear Door Open Switch Signal
19-21	-	-	Not Used
22	L-GN	1123	Door Lock Key Switch Lock Signal
23	-	-	Not Used
24	PU	1124	Door Lock Key Switch Unlock Signal
25	TN	126	Left Front Door Open Switch Signal
26	GY/BK	745	Left Front Door Ajar Switch Signal
27-29	-	-	Not Used
30	WH	17	Stop Lamp Switch Signal
31	L-BU	244	Passenger Door Lock Switch Lock Signal
32-34	-	-	Not Used
35	YE	2080	Driver Heated Seat Cushion Temperature Sensor Low Reference (KA1)
36	PK	2435	Passenger Heated Seat Cushion Temperature Sensor Low Reference (KA1)
37	YE/BK	2079	Heated Seat Cushion Temperature Sensor Signal (KA1)
38	GY	2434	Passenger Heated Seat Cushion Temperature Sensor Signal (KA1)
39	TN/WH	2430	Passenger Heated Seat Relay Control (KA1)
40	PU	2477	Driver Heated Seat Relay Control (KA1)
41	-	-	Not Used
42	L-GN	24	Backup Lamp Supply Voltage
43	YE	18	Left Rear Stop/Turn Lamp Supply Voltage
44	GY	8	Instrument Panel Lamp Supply Voltage
45	L-BU	1344	Trunk Release Control
46	TN	694	Driver Door Lock Actuator Unlock Control
47	-	-	Not Used
48	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage
49	OG	440	Battery Positive Voltage
50	BK	550	Ground
51	TN	294	Door Lock Actuator Unlock Control
52	GY	295	Door Lock Actuator Lock Control