how do i fix speedomoter for 1967 lincoln continental

need to know how to fix my speedomoter for my 1967 lincoln contnental please thank you

Well is it a broken cable and housing or a drive or driven gear or a failure in the head itself? If it is in the speedo head, find a shop that has a speedometer repair section and take it too them they can rebush the the unit and make sure it is calibrated properly

Mr. Tennisshoes if it is none of those problems for my 1967 lincoln speedometer should I just by a new one?

If you can find one, then new is always preferable to rebuilt, but rebuilding might be your only option.

thank you