Sensors???

[87TIGN]

What sensors are these? Im pretty sure that 2 in the coolant temp but the others im not sure.

 

[87TIGN]

Maybe these pics will work better?

 

[corymc]

1 is fan temp switch
2 is coolent temp sensor
3 ? is that the coolent flow valve?

 

[mikestertwo]

1) Fan Switch
2) Coolant temp sensor (goes to the computer)
3) Not a sensor. It's a pipe fitting adapter for the coolant hard lines going to
the heater core.