If you are looking for the sensor that reads the coolant temperature, which the ecm uses to decide when to run the radiator fans. It is located near where the upper radiator hose hooks to the engine.
The rear heat system has a second fan under the center console.
change the heather fan sensor
The ambient air temp sensor that feeds the cooling fan(s) relay on a 2004 pacifica is mounted to the front of the radiator, behind the grill. The cooling fan relay is mounted on the aluminum bumper just in front of the radiator. You'll need to take off the grill to get to the relay, too.
It is a two wire sensor, very near where the upper radiator hose attaches to the engine.
It is near to where the upper radiator hose attaches to the engine.
blower motor resistor
The computer uses the coolant temp sensor which is located near where the upper radiator hose hooks to the engine.
It is under the console, between the front seats.It is under the console, between the front seats.
behind the grill to the right side between the radiator and the bumper, it is actually attach to the inside bear metal bumper.
the switch whether you have a 4 cyl or a v-6 is located near the thermostat housing. they are a two wire temperature sensor that the computer uses to turn the radiator fan on and off
blower motor resistor needs to be replaced
The cooling fan relay sensor on 96-97 Chrysler neon should be located underneath vehicle, mounted to frame on drivers side front corner of engine compartment; (very forward inside wall of vehicle frame). Should be "unplug-unbolt" procedure.