Fuel Tank Pressure (FTP) Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15354716 4-Way F Global Terminal 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	-	-	Not Used
B	GY	705	5-Volt Reference
C	D-GN	890	Fuel Tank Pressure Sensor Signal
D	OG/BK	469	Low Reference