Fuel Tank Pressure (FTP) Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15318087 3-Way F Junior Power Timer Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	GY	2709	5-Volt Reference A
2	BK	2759	Low Reference
3	D-GN	890	Fuel Tank Pressure Sensor Signal