Input Speed Sensor (ISS) Harness Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		61890958 3-Way M M/P 150 (BK)
Pin	Wire Color	Circuit No.	Function
1	GN/YE	2751	Low Reference
2	RD	1230	ISS High Signal
3	YE/BU	605	5 Volt Reference