Body Control Module (BCM) C4 Connector End View

Body Control Module (BCM) C4 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15356603 68-Way F Metri-Pack 280 Series Flexlock (L-GY)
Pin	Wire Color	Circuit No.	Function
A1-A12	-	-	Not Used
B1	OG	228	Windshield Washer Pump Control
B2	GY	8	Instrument Panel Lamp Supply Voltage
B3	BN	41	Ignition 3 Voltage
B4-B5	-	-	Not Used
B6	BN	141	Ignition 3 Voltage
B7-B12	-	-	Not Used
C1	RD/WH	340	Battery Positive Voltage
C2	GY	8	Instrument Panel Lamp Supply Voltage
C3	L-GN	377	Serial Data
C4	OG	52	Blower Motor High Control
C5	BN	9	Park Lamp Supply Voltage
C6-C7	-	-	Not Available
C8	BN	4	Accessory Voltage
	BN	4	Accessory Voltage
C9-C12	-	-	Not Used
D1	RD/WH	1040	Battery Positive Voltage
D2	-	-	Not Used
D3	PK	3	Ignition 1 Voltage
	PK	3	Ignition 1 Voltage
D4	PU	65	Blower Motor Supply Voltage
D5	-	-	Not Used
D6-D7	-	-	Not Available
D8	YE	143	Accessory Voltage
D9	-	-	Not Used
D10	RD/WH	740	Battery Positive Voltage (JF4)
	RD/WH	740	Battery Positive Voltage (JF4)
D11-D12	-	-	Not Used
E1	RD/WH	440	Battery Positive Voltage
	RD/WH	440	Battery Positive Voltage
E2	-	-	Not Used
E3	D-BU	101	Blower Motor Supply Voltage
E4-E9	-	-	Not Used
E10	RD/WH	840	Battery Positive Voltage (UE1)
E11	-	-	Not Used
E12	BK	650	Ground
F1	RD/WH	1440	Battery Positive Voltage
	RD/WH	1440	Battery Positive Voltage
F2	GY	8	Instrument Panel Lamp Supply Voltage
	GY	8	Instrument Panel Lamp Supply Voltage (JF4)
F3	GY	8	Instrument Panel Lamp Supply Voltage
	GY	8	Instrument Panel Lamp Supply Voltage
F4-F5	-	-	Not Used
F6	PK	339	Ignition 1 Voltage
F7-F8	-	-	Not Used
F9	PK	1039	Ignition 1 Voltage
F10-F12	-	-	Not Used