If the radio/cd head is not working discs may be jammed in the magazine. Remove magazine and make sure all discs are inside. I had to take apart the 10 disc changer to remove two discs which were both 'loaded'. Be carful of the little 'shock absorbers' in there, they can rupture easily.
No
Be more specific.
go to markviii.org. they have a answer for almost anything with the lincoln mark viii
Center dash above the console.
Depends what's going on with it my 93 was recalled for that.
Below the climate control and back of center console.
Malfunction with the Idle Air Control valve.
Where to find the horn relay fuse for a 93 Lincoln Mark VIII
no
Not unless you try to change the whole front end of the car.
cruise control switch
Hope you have small hands and the right tools.