Rear Window Wiper/Washer and Multi-Function Switch C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162502 8-Way F Metric-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
1	BLK	1450	Ground
2	GRY	8	Instrument Panel Lamp Supply Voltage - 1
3-4	-	-	Not Used
5	WHT	393	Rear Window Wiper Motor Control
6	GRY	391	Rear Window Wiper Switch Signal
7	-	-	Not Used
8	DK GRN	392	Rear Window Washer Pump Control