Body Control Module (BCM) C2

Fig 1: Body Control Module (BCM) C2 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Body Control Module (BCM) C2 Connector Parts Information

Connector Part Information

OEM: 15393121
Service: 88987848
Description: 72-Way F Micro-64 (GY)

Terminal Part Information

Pins: 1-5, 9, 11, 13-20, 26, 29, 31, 33, 37-38, 44, 47, 51, 55-59, 61-64, 66-69, 71-72
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Body Control Module (BCM) C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus+
2	TN	2500	High Speed GMLAN Serial Data Bus+
3	PK/WH	1970	Headlamp Low Beam Relay Control
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	-	-	Not Used
11	D-GN	264	Security Indicator Supply Voltage
12	-	-	Not Used
13	BK/WH	651	Ground
14	TN	28	Horn Relay Control
15	WH	103	Ignition 1 Voltage
16	OG	192	Front Fog Lamp Switch Signal (T96)
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 Lamps Dimmer Switch Signal
27-28	-	-	Not Used
29	L-GN	5980	Adjustable Pedal Inhibit Signal (JF4)
30	-	-	Not Used
31	YE	5361	Brake Pedal Position Sensor Signal
32	-	-	Not Used
33	YE	317	Fog Lamp Relay Control
34-36	-	-	Not Used
37	D-GN	5060	Low Speed GMLAN Serial Data
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
52-54	-	-	Not Used
55	D-GN	5060	Low Speed GMLAN Serial Data
56	WH	1390	Off/Run/Crank Voltage
57	GY	112	Windshield Wiper Switch Signal 1
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	L-BU/BK	590	Driver Sunload Sensor Signal
64	GY	1548	Sunload Sensor Signal
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 (C60)
69	D-GN	762	A/C Request Signal (C60)
70	-	-	Not Used
71	PU	5234	Passenger Seat Belt Indicator Signal
72	TN	683	Rear Defog Indicator Supply Voltage (C60)