this may help you
Ford Crown Victoria, Mercury Grand Marquis, Marauder, Lincoln Town Car 1999-2005
If equipped, turn the air suspension service switch to the OFF position before raising the vehicle.
FIG : Exploded view of the instrument panel-Crown Victoria and Grand Marquis
FIG : Exploded view of the heater air plenum chamber, the evaporator housing and the air inlet duct
FIG : View of the heater core
FIG : Exploded view of the instrument panel-Town Car
yes..there should be one at the wiper motor