Mass Air Flow (MAF) Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12186307 5-Way F Junior Power Timer Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	472	IAT Sensor Signal
2	OG	2440	Ignition 1 Voltage
3	PU/WH	652	Low Reference
4	GY	416	5-Volt Reference A
5	YE	492	MAF Sensor Signal