coolant location on 1999 Chevrolet Monte Carlo

The coolant switch that operates the radiator fans...

Asked by for the 1999 Chevrolet Monte Carlo
It is the engine coolant temperature sensor, not a switch


http://repairpal.com/engine-coolant-temperature-sensor -> here is a link that describes it, however, there is a fan relay, and other things involved in the operation of your cooling fan. Does the fan come on if you turn on the A/C? Because it should.
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coolent temp sensor