Body Control Module (BCM) C3

Fig 1: Body Control Module (BCM) C3 Connector

Courtesy of GENERAL MOTORS CORP.

Body Control Module (BCM) C3 Connector Parts Information

Connector Part Information

Terminal Part Information

Body Control Module (BCM) C3 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	BK	450	Ground
2	D-GN/PU	1940	Battery Positive Voltage
3	PK/GY	3040	Battery Positive Voltage
5	BK	450	Ground
8	TN/BK	2500	High Speed GMLAN Serial Data Bus+
9	TN	2501	High Speed GMLAN Serial Data Bus-
10	D-GN	5060	Low Speed GMLAN Serial Data
10	D-GN	5060	Low Speed GMLAN Serial Data
11	PK	1444	12-Volt Reference or IP Dimming Control
12	OG/WH	812	12-Volt Reference or IP Dimming Voltage Reference
13	L-BU/YE	5361	Brake Pedal Position Sensor Signal
14	L-BU/BK	853	ABS Brake Switch Low Reference
15	GY	5381	Brake Position Sensor 5 Volt Reference
16	TN/BK	2500	High Speed GMLAN Serial Data Bus+
17	TN	2501	High Speed GMLAN Serial Data Bus-
18	YE	1491	Backlight Lamp Control
19	OG/YE	5727	High Speed GMLAN Serial Data Wake Up
21	OG	192	Front Fog Lamp Switch Signal
22	D-GN/WH	7158	Cruise Control Indicator Dimming Signal
25	PU/WH	1382	LED Dimming Signal/LED Dimming Supply