Can someone tell me where this connection goes?

It’s a 2008 Chevy cobalt ls

Thats the Ambient Temp Sensor.

The ambient temperature sensor on a 2008 Chevy Cobalt is located behind the driver’s side headlight bracket12. You can access it by removing the headlamp and the bracket2.


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Awesome thank you sir I appreciate it

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Glad I could help. Happy motoring

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That part probably doesn’t connect to anything electrical, at least on the protrusion your photo shows, just fits into a space where an accurate air temperature measurement is possible. It would seem like placing it near a headlight wouldn’t be a good spot b/c of the headlight heat, but they must have figured out a way . My Corolla has one too, and it fits a hole in the engine air filter housing.