You can see the blueprint of the door on a 1997 Grand Marquis/Crown Victoria at the related link below. This will aid in the removal of the panel.
hello
I was looking at the drawings of the instrument panel ( gauge cluster ) in the 1997 Ford Crown Victoria Owner Guide and it doesn't have a factory tachometer
Yes
See detailed instructions at the link below (steps 1-7)... http://www.autoclinix.com/Mercury/Front%20Speakers2.htm
Are they both 4.6 L ?
Yes.
No.
Remove the wiring harness from the back of your 1997 Ford Crown Victoria hazard lights switch. Remove the hazard light switch retaining screws. Reverse the process to install your new hazard light switch.
In a 1997 Ford Crown Victoria : Fuse ( # 16 ) is a 20 amp fuse for the cigarette lighter
The 1997 Ford Crown Victoria owners manual shows ( 5 w 30 )
No, I doesnt fit. Check the tail of the 1997 and there is a speed sensor. The 2003 doesnt have it.
The 1997 Ford Crown Victoria OBD 2 port is located under driver side dash next to center console