if you hook up an electric drill to the end of cable at the
transmission end does the speedo work?  This checks everything except
the parts in the diff.

(Note: you must run the drill in reverse)

>Hi! I have a problem with my speedo which doesn't work.  The
>instrument itself works, the speedo cable has been renewed and works
>and is properly mounted.  I can only imagine that the drive on the
>front differential isn't turning.