> Is it possibly that ignition switch contacts are so
> worn, that key needs to be turned as far as possible
> clockwise in order to make current flow to ignition?

Sure, contacts could be worn, or the contact carrier could be loose,
or some thing or other is causing a little "dead spot" right where you
first turn the key to "START". I had an old mazda that wouldn't start
if you turned the key too far towards START.

--
John Bange
'90 Vanagon - "Geldsauger"