Where does the termostat in a Cadillac El Doado 1998 is located?

I need to find out where des the termostat in a Cadillac El Dorado 1998 is located in order to rplace it. Please help me out guis, cause my car hits up to fast, and aparentlly the reason is that the termostat is broke.... Anyway, just tell me where exactlly is it. Thanks.|||it is on the upper radiotor hose look at the front of the engine you will see a silver thing this is your radiator follow the top hose back to the engine where it meets the engine is where the themostat is|||my answer is look at the upper radiotor hose at the front of the engine or go to the auto repair shop near you be the expert..do it