Yes. 1998-2010 Crown Vic, 1998-2010 Mercury Grand Marquis and 2003-2004 Mercury Marauder all have the same hood.
Left side, under dash, by the ebrake/hood latch lever assembly..
pop the hood and unscrew it
Open the trunk. Look for a white tag with five numbers on the hood hinge arms. If not there or has been removed, contact your dealer.Type your answer here...
Look for the dip stick under the hood, passenger side, right between the engine and the fire wall. well hidden.
And just exactly where is this little white tank under the hood and what is attached to it ?
Pop up the hood and access them from under there.
Open the hood and look see.
Mine on my 2003 is under the hood in a panel out near the battery.
There are two boxes the first is located under the drivers side dash on the left side under the removable cover, the second is located under the hood above the battery.
You may need to break into the hood to get it to work. Taking the vehicle in to a mechanic can be helpful in getting the release to work again.
Open hood, passenger side, look between the engine and the firewall. It's down there.
If not there, try looking in the trunk. On the trunk arm.