rfw2003 wrote on 08/23/12 at 12:25:01:IIRC it's hydraulic motor, so that would suggest it runs off the power steering pump or an aux hydraulic pump of some sort. Been along time since I messed with one of those so I don't remember exactly.
R.F.
DING DING we have a winner!
The hydraulic windshield wiper motor runs off pressure from the power steering pump!
Rebuilt unit is $249 plus core... without core...
$400 plus shipping!
(anyone want to buy my '65 tbird?)