You can find the seat wiring diagram for the Mark VIII in a Haynes repair manual. The book is available at book and auto parts stores.
Someone with a service manual should chime in, it will be in there.
There was no 1992 Mark VIII. The Mark VIII started production for the 1993 model year.
if your not going to use the old factory stereo, take it apart and you will find that the circit board is labled where it plugs in. Or go to your nearest stereo shop and get a wiring harness for $20.
http://www.wirediagram.com/lincoln.htm
A person can get a wiring diagram for this vehicle in the maintenance manual. It can also be found in this cars repair manual.
Hi there, you can purchase access to Renault wiring diagrams at www.infotech.Renault.com Regards, Mark.
On e-Bay!!
Passenger side toward the firewall.
look on installdr.com the awnser is there
Check out Crutchfield at the link below.
If you don't have a shop manual, your nearest Lincoln or Ford parts department.
Jaguar Mark VIII was created in 1956.