Body Control Module - C0 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12084945 16-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	-	-	Not Used
A2	PK/BK	1597	Interior Lamp Switch On Signal
A3	YE	10	Headlamp Switch Signal
A4	PU	328	Interior Lamp Defeat Switch Signal
A5	L- GN	80	Key In Ignition Switch Signal
A6	L- BU	13	Headlamp Switch Park Lamps Signal
A7	OG	192	Fog Lamp Switch Signal
A8	-	-	Not Used
B1	WH/BK	1221	Liftgate Release Switch Signal
B2-B3	-	-	Not Used
B4	YE	443	Accessory Voltage
B5	PU	1500	Ignition 0 Voltage
B6	-	-	Not Used
B7	BN/WH	1571	Traction Control Switch Signal
B8	D- GN	389	Vehicle Speed Signal