Body Control Module (BCM) Connector End View C2

Fig 1: BCM C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

BCM C2 Connector Part Information

Connector Part Information  OEM: 15393121 Service: 88987848 Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information  Pins: 1-5, 9-11, 14-20, 26, 31, 33, 38, 44, 47, 51, 56-59, 61-62, 66-69, 71-72 Terminal/Tray: 15359541/4 Core/Insulation Crimp: M/M Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

BCM C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
2	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
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
12-13	-	-	Not Used
14	TN	28	Horn Relay Control
15	WH	103	Headlamp Switch Headlamps On Signal
16	OG	192	Front Fog Lamp Switch Signal
17	PU/WH	549	Headlamp Switch Headlamps Off Signal
18	WH	5359	5-Volt Reference
19	TN	2501	High Speed GMLAN Serial Data Bus (-)
20	TN	2501	High Speed GMLAN Serial Data Bus (-)
21-25	-	-	Not Used
26	D-GN	44	Instrument Panel Lamp Dimmer Switch Signal
27-30	-	-	Not Used
31	YE	5361	Brake Pedal Position Sensor Signal
32	-	-	Not Used
33	YE	317	Fog Lamp Relay Control
34-37	-	-	Not Used
38	L-GN/BK	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
52-55	-	-	Not Used
56	WH	1390	Off/Run/Crank Voltage
57	GY	112	Windshield Wiper Switch Low/Pulse Signal
58	PU	719	Low Reference
59	BN	5360	Low Reference
60	-	-	Not Used
61	GY	1884	Cruise Control 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	D-GN/WH	762	A/C Request Signal (C60)
70	-	-	Not Used
71	PU	5234	Passenger Seat Belt Indicator
72	WH	193	Rear Defogger Relay Control