under the dash behind glove box
The thermal switch for other Mystics is located on the thermostat housing.
Dis-connect the battery, and wait a couple of minutes before you start working on it.
It should be located on the evaporator case.
Could be the switch or the resistor and or the fan itself , There was a recall on this but to late to get it now , All are easy fixes
The heater fan is located under the dash on the passenger side
engine fan or heater blower fan?
Perform a functional test with an automobile scanner is the easiest way.
Where is the heater blower fan located 1996 honda accord?
The fuse that is marked heater.
That would be your LOW engine coolant light You can view the 1999 Mercury Mystique owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
The heater fan or blower motor is located underneath the dash on the inside of the car located in front of the passenger seat.
It's on the fuse panel under the right side of the dash.