Does anyone know what sensor plugs in here?

[new2aveo]

please see the picture. this is located on a hard line behind the air cleaner box

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[Daox]

Hard to tell, but I'd guess its a pressure sensor/switch for the A/C.

[new2aveo]

[Enjoyneering]

yep it's A/C pressure sensor.

[new2aveo]

thank you, im assuming its missing?

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[new2aveo]

is this the missing part:
ACDelco 15-51289 GM Original Equipment Air Conditioning Refrigerant Pressure Sensor

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[new2aveo]

or is that the part and nothing connects to it?

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[new2aveo]

i found the plug

[petrified.rabbit]

I was just about to post that the plug i off the MAF/MAP harness...

does the A/C work now? bonus if it does..

[new2aveo]

well the ac works all the time in my car because the heat wont work at all and i have no idea why.... im also not sure why this plug was ever unplugged. the car opperates fine except for no heat in 30 degree weather

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