Body Control Module (BCM) C3

Fig 1: Body Control Module (BCM) C3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Body Control Module (BCM) C3 Connector & Terminal Parts Information

Connector Part Information

OEM: 1326144-1
Service: See Catalog
Description: 56-Way F Amp (BK)
1241495-1 28-Way F (D-GN)
1241494-1 28-Way F (RD)

Terminal Part Information

Pins: 1-10, 47-53, 55, 56
Terminal/Tray: 968074-5/17
Core/Insulation Crimp: Pins 1-10, 48-53, 55, 56 - E/C
Core/Insulation Crimp: Pins 47 - 2/4
Release Tool/Test Probe: 12031876-1/J-35616-4A (PU)

Pins: 13, 17, 18, 20-23, 25, 26, 35, 43-46, 11, 15, 33, 34, 39-41
Terminal/Tray: 928999-5/15
Core/Insulation Crimp: Pins 13, 17, 18, 20-23, 25-27, 35, 43, 45 - J/J
Core/Insulation Crimp: Pins 11, 15, 27, 33, 34, 39, 40, 41, 44, 46 - H/H
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Body Control Module (BCM) C3 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	BK/WH	56	Trunk Release Motor Supply Voltage
2	TN	694	Driver Door Lock Actuator Unlock Control
3	OG	1732	Inadvertent Power Supply Voltage
4	D-BU	338	Run/Crank Voltage
5	BN	4	Accessory Voltage
6	BN	9	Park Lamp Supply Voltage
7	BN	9	Park Lamp Supply Voltage
8	BN	9	Park Lamp Supply Voltage
9	BN	9	Park Lamp Supply Voltage
10	RD	228	Windshield Washer Pump Control
11	WH	156	Courtesy Lamp Low Control
12	-	-	Not Used
13	OG	1732	Inadvertent Power Supply Voltage (DG7)
14	-	-	Not Used
15	D-GN	113	Windshield Wiper Switch Signal 2
16	-	-	Not Used
17	YE/BK	68	Low Coolant Level Indicator Signal
18	BK/WH	151	Ground (Sedan)
19	-	-	Not Used
20	BK/WH	151	Ground (Sedan)
21	L-BU	395	Passenger Door Jamb Switch Signal (Sedan)
22	L-BU	395	Passenger Door Jamb Switch Signal (Sedan)
23	YE	196	Windshield Wiper Motor Park Switch Signal
24	-	-	Not Used
25	PK	849	Brake Fluid Level Sensor Signal
26	PU	1807	BCM Class 2 Serial Data (JM4/JL9)
27	PU	1807	BCM Class 2 Serial Data
28-32	-	-	Not Used
33	WH	682	Driver Door Lock Actuator Unlock Control
34	WH	682	Driver Door Lock Actuator Unlock Control
35	D-GN	146	Trunk Ajar Indicator Control
36-38	-	-	Not Used
39	WH	193	Rear Defog Relay Control
40	BK	28	Horn Relay Control
41	YE	317	Fog Lamp Relay Coil Supply Voltage (T37/T96)
42	-	-	Not Used
43	YE	18	Left Turn Signal Lamps Supply Voltage
44	L-BU	14	Left Turn Signal Lamp Supply Voltage
45	D-GN	19	Right Turn Signal Lamps Supply Voltage
46	D-BU	15	Right Turn Signal Lamp Supply Voltage
47	BK	650	Ground
48	GY	295	Door Lock Actuator Lock Control (Sedan)
49	GY	295	Door Lock Actuator Lock Control (Sedan)
50	GY	295	Door Lock Actuator Lock Control
51	GY	295	Door Lock Actuator Lock Control
52	TN	294	Door Lock Actuator Unlock Control
53	TN	294	Door Lock Actuator Unlock Control (Sedan)
54	-	-	Not Used
55	TN	294	Door Lock Actuator Unlock Control (Sedan)
56	D-BU	1201	Headlamp Low Beam Signal