Inside Rearview Mirror Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124782 7-Way (BLK)
Pin	Wire Color	Circuit No.	Function
1	PNK	39	Ignition 1 Voltage
2	BLK	1850	Ground
3	LT GRN	1324	Backup Lamp Supply Voltage
4	GRY	1690	Automatic Day/Night Mirror Signal
5	PNK	1691	Automatic Day/Night Mirror Low Reference
6	DK GRN/ WHT	636	Outside Air Temperature Sensor Signal
7	BLK/WHT	1704	Low Reference