There is a short in the wiring or in the bulb. Try changing the bulbs first.
very carefully
I was looking at the 1996 Ford Crown Victoria Owner Guide and that's NORMAL The parking brake will release automatically when any forward gear is selected The parking brake will also not engage with the vehicle in any forward gear
Most likely a short in the wire contact at the steering wheel. Look there.
Probably scoured rotors.
Since 1992 the Crown Vic has measured in at approximately 212" - well over the length that will incur a parking surcharge as a "oversized vehicle" in most New York City parking decks (anything over 180").
the breake
Have the code read, that will tell you.
could possibly just be your C.V. joints
The adjuster spring and cable are under the car, drivers side, just in front of the rear tire.
A radio fuse might keep blowing if the radio itself needs an inline fuse in a 1997 Crown Victoria. It is possible that the radio and interior lights are not grounded properly. Installing an inline fuse between the radio and the fuse box may solve the problem of the fuse blowing.
Release parking brake. Place transmission in Reverse. Apply brakes very firmly at about 5 mph. Repeat 10 times. That will automatically adjust the parking brake shoes.
There are a variety of reasons for an engine misfire in a Crown Victoria. You may need to replace the spark plugs and wires. Other causes include leaking vacuum hoses and leaking fuel lines.