Installation Procedure

Connect the electrical connector to the ambient air temperature sensor.
Push the ambient air temperature sensor through the hole in the headlamp bracket until the sensor is seated.

Fig 1: View Of Ambient Air Temperature Sensor Electrical Connector (Sedan)

Courtesy of GENERAL MOTORS CORP.

Install the left headlamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement in Lighting Systems.
Close the hood.