Wheels turn for author (7)
I believe the answer is:
carroll
'author' is the definition.
(Lewis Carroll)
'wheels turn' is the wordplay.
'wheels' becomes 'car' (car wheel is a kind of wheel).
'turn' becomes 'roll' (rolling is a kind of turning).
'car'+'roll'='CARROLL'
'for' is the link.
(Other definitions for carroll that I've seen before include "Pen name of Dodgson" , "Lewis - - , 28 creator" , "writer of fiction !" , "Lewis -, Alice author" , "Writer of nonsense" .)