If you don't have the service manual, e-mail a Lincoln dealer, parts department and they will e-mail you the diagram you need, one under the hood and the other on the drivers' side.
Where to find the horn relay fuse for a 93 Lincoln Mark VIII
You can troubleshoot the power antenna on a Lincoln Mark VIII by first checking the fuse. A blown fuse is the most common reason for an antenna not working properly.
check the brakelight fuse.
The fuse box diagrahm gives you the explanation of the fuse location.
If you don't have a shop manual, your nearest Lincoln or Ford parts department.
No
a coin may have fell in the lighter
It's the second fuse down on the right side of the interior fuse block, 20 amp, yellow
go to markviii.org. they have a answer for almost anything with the lincoln mark viii
In a 1998 Lincoln Mark VIII : In the Power Distribution Box ( which is " live " ) located in the engine compartment ( # 29 is a 40 amp maxi fuse for the Blower Motor Relay )
in the panel located on side of dashboard open drivers door to see it
Someone with a service manual should chime in, it will be in there.