hi man i am awsome
You have to replace it.
This link has detailed instructions and photos http:/www.lincolnvscadillac.com/tech/lincoln-mark-viii/Thermostat-Replacement/index.htm
Go to http://www.lincolnvscadillac.com/tech/lincoln-mark-viii/Coil-Spring-Conversion/index.htm
Usually located on the left outside rear view mirror
Clipped onto the mirror, the black box that hangs there.
No
go to markviii.org. they have a answer for almost anything with the lincoln mark viii
of course
Save yourself some grief and take it to a repair shop
Where to find the horn relay fuse for a 93 Lincoln Mark VIII
You can replace it with '94, 95 and some 96.
Hope you have small hands and the right tools.