There is no "Chip" All mods are done through the ECM.
Under the car
Your Antenna is located on the back window of the car
In the fuel tank
you have to replace a light control box
Where is the ignition control module located in my 1992 Crown Victoria
Passenger side.
Yes
Yes
It is located behind the dash to the left of the radio/heater controls.
where is the cam sensor located on a 2003 ford crown vic
Yes