Output Speed Sensor (OSS) Harness Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		61890596 3-Way M M/P 150 (BK)
Pin	Wire Color	Circuit No.	Function
1	GN/WH	469	Low Reference
2	D-BU	400	OSS High Signal
3	YE/RD	474	5 Volt Reference