There appears to be much confusion about how the evaporator drains the
water that it condenses out of the air in a crown victoria.
Here's the empty evaporator case from a 1998 crown victoria. The silver
colored thermal insulation on the outside of the case has been removed,
as have the blower resistor, blower fan, evaporator and various other
Here's the half of the evaporator housing that has the drain on it.
The red arrow points to the drain on the underhood portion of the
Here's the drain from a few different angles
Here's the blower motor half of the evaporator housing
And the blower half from the back side
Normally, this peice would be placed over the back of the blower half
of the evaporator housing to control airflow
With the blower motor out, you can reach inside the housing and clean
off any debris that may have lodged on the evaporator
Here's the blower motor itself
Here's the electrical connector
This hole would normally have a hose in it would have a continuous flow
of air whenever the blower motor was spinning. This cools the
components inside the blower motor.
Looking inside the hole, the motor commutator and brushes are visible.
If you purchase a used police cruiser, you might want to take a look
inside this spot to determine how much life the brushes have left in