Try Ebay... There are all over there.
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.
www.HelmInc.com has shop manuals
did the clutch cable come off? (if its a manual) that or there is a problem with the transmission.
Jaguar Mark VIII was created in 1956.
Look in the back panel of the headliner ahead of the rear window where the manual crank of the sunroof is.
Someone with a service manual should chime in, it will be in there.
If you don't have a shop manual, your nearest Lincoln or Ford parts department.
No
Pope Mark VIII of Alexandria died in 1809.
All models and years of the Mark Viii are v8's
go to markviii.org. they have a answer for almost anything with the lincoln mark viii