You can get the part right from a Chevy Dealer. They go out often enough that a good part's manager will have them in stock. There are 2 parts. One with a bracket and one without. The bracket is for crash repairs so you will not need it. The part you are looking for only ran me something like 3 bucks.
The sensor is located in the front of the vehicle. On my trailblazer it is just behind the grill on the drivers side. You can't miss it.
location for 2003 chevy trailblazer coolant temperature sensor
The ambient temperature sensor on a 2006 Chevy Trailblazer is typically located in the front grille area, often mounted on or near the front bumper. It is designed to measure the outside air temperature and relay that information to the vehicle's climate control system. If you're having trouble locating it, you might also check near the radiator or in the vicinity of the driver's side headlight.
Its Under The Top Radiator Shroud near the Radiator Mount. You May have to remove the grille to get to it. Hope this helps.
The airflow ambient temperature sensor is located on the air intake housing. The sensor should be labeled as the airflow ambient temperature sensor.
were is the location of the ambient air temperature sensor for a 2001 bmw 330 i
The ambient air temperature sensor, on your Nissan automobile, is located in the drivers side mirror. The sensor is on the bottom of the mirror.
I posted pictures on the location and replacement of an ambient temp. sensor for a 2001 S40. Google "ambient temperature sensor location/replacement" or go to Matthew's Volvo site and search there.
To measure ambient temperature, you can use a thermometer or a temperature sensor placed in the area you want to monitor. It's important to place the sensor away from direct sunlight or sources of heat to get an accurate reading. Ambient temperature is the surrounding temperature of a specific environment.
Tamb (K): sensor (ambient) temperature (Kelvin)
The ambient temperature sensor is located behind the front grill.
where is the temperture sensor located on a 2002 chevy trailblazer with a 4200 motor