where is my engine coolant temp sensor I have a 98 f150 5.4l 4x4 i cant find the coolant sensor the coolant switch is just behind the alternator by the thermostat housing but the sensor isnt there where is it?? some one told me to do a search on cylinder head temperature sensor but i didnt think they did away with the coolant temp sensor and went to those until like 2000 please help any pictures or discriptions would help