Under the dash on the right side.
In the ceiling housing for the rear A/C.
On the blower housing. Remove the glove box to gain access.
On the bottom of the heater/AC housing under the dash.
Remove the glove box. The front blower motor and the resistor can be accessed from there.
You see that knob you turn to run the blower? That's it.
The Mercury Cougar blower motor is located on the firewall in the engine compartment. The blower motor can be seen on the passenger side of the firewall.
location of relay blower motor 1997 Mercury mystique
The front blower motor relay is located in the fuse panel by your left knee. When you remove the cover, you will find a fuse block and 5 relays on the right of the fuse panel. The front blower relay is the last relay on the bottom
There is really no method to "check" the resistor, text by substitution.
Held in by two small screws under dash.
Is it really the same as the Nisan Quest? Anumber of parts are the same.
Under the dash, at the extreme right near the passenger kick panel.