A/C Refrigerant Pressure Sensor (Gas Except HP2)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: A/C Refrigerant Pressure Sensor (Gas Except HP2) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 TN	5514	Low Reference
2	0.35 GY	2700	5-Volt Reference (4.3L)
2	0.35 GY/WH	2700	5-Volt Reference (Except 4.3L)
3	0.35 OG/BK	380	A/C Refrigerant Pressure Sensor Signal

Connector Part Information

OEM: 15397149
Service: 88988301
Description: 3-Way F GT 150 Sealed (BK)

Terminal Part Information

Pins: 1 (4.3L)
Pins: 2, 3
Terminal/Tray: 15326267/19
Core/Insulation Crimp: E/4
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: 1 (4.8L/5.3L/6.0L/6.2L)
Terminal/Tray: 15326429/5
Core/Insulation Crimp: E/4
Release Tool/Test Probe: 15315247/J-35616-2A (GY)