Refer to this write up I created- (Register to see the pictures)
http://www.500eboard.com/forums/showthread.php?t=11195
I suspect your issue is a centre nut has came lose and the wiper has lost its park position.
This will require removing the wiper & re-setting as I describe. Relubing with synthetic grease is highly recommended.
http://www.500eboard.com/forums/showthread.php?t=11195
I suspect your issue is a centre nut has came lose and the wiper has lost its park position.
This will require removing the wiper & re-setting as I describe. Relubing with synthetic grease is highly recommended.