Secondary Air Injection (AIR) Pump Connector End View

Secondary Air Injection (AIR) Pump (NU3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124819 2-Way F Metri-Pack 280 Series (NA)
Pin	Wire Color	Circuit No.	Function
A	RD	78	Air Pump Supply Voltage
B	BK	1050	Ground

Secondary Air Injection (AIR) Relay (NU3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15336745 4-Way F Metri-Pack 280 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
30	RD	742	Battery Positive Supply Voltage
85	BN	436	Air Pump Relay Control
86	PK/BK	5291	Ignition 1 Voltage
87	RD/WH	78	Air Pump Supply Voltage

Secondary Air Injection (AIR) Solenoid (NU3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15460171 6-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	BK	407	Low Reference
2	WH	5268	Air Solenoid Position
3	GY	474	5-Volt Reference
4	BK/WH	451	Ground
5	-	-	Not Used
6	PK-BK	415	Air Solenoid Valve Supply