They are located on the Core support. There are 2 of them one for right and left. They will have a YELLOW connector one 2 wire and the other 3 wire.
Are you describing the Air Conditioner Condenser?
If it is equipped with air bags of course it has sensors.
Where is diverter that controls air direction located in a 2004 Chevy S10 Blazer?
Yes
Idle Air Control Valve
What causes heat to only come out of the defrost and vent but not the floor of a 1995 S10 Blazer?
Shock sensors for the air bag deployment? In front of the vehicle, under the radiator support. There are two of them and the electrical connections are yellow in color.
there in the throttle body the thing under the air cleaner
The only access to the heater core on a 96 S10 blazer is by removing the entire dash asm. It is not accessible from the engine compartment. If you are not familiar with disabling the the air bag system, do not attempt this repair.
It is located just left and back from the air intake as your looking from the front of the engine. It has a wire that runs to the Distributor cap. It has two electrical sensors on it as well.
it is behind the air cleaner with all the spark plug wires coming out it
does not have one just a map sensor