BlueAndWhiteClassic Posted July 27, 2014 Share Posted July 27, 2014 Fine on fast wipe. On slow they move a bit - stop - move a bit more - stop. To a mechanical nitwit like me it seems like a loose connection could be to blame. Any ideas - and how to recognize the right connector? Grateful for any ideas, advice. PS.. my car is a K-series S3. Edited by - blueandwhiteclassic on 27 Jul 2014 11:22:46 Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 28, 2014 Member Share Posted July 28, 2014 Checking the connections is a good idea. Could also be a problem within the switch or the relay unit or the motor. Remove and reseat the relay unit. Do you have interval wiping and does that work OK? Jonathan Link to comment Share on other sites More sharing options...
BlueAndWhiteClassic Posted July 28, 2014 Author Share Posted July 28, 2014 Thanks Jonathan. Wipers have never had an intermittent setting. Car is a 2010 vintage. Link to comment Share on other sites More sharing options...
6speedmanual Posted August 1, 2014 Share Posted August 1, 2014 Go aero! Peter Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 2, 2014 Member Share Posted August 2, 2014 Too many possibilities. 1 Are you sure about not having intermittent wiping... on mine it works by switching them on and then off again quickly... 2 Are they stopping at a particular point in their travel? Does the stopping always occur? Does flipping the wipers forward so there is no drag on the glass affect that behaviour? Jonathan Edited by - Jonathan Kay on 2 Aug 2014 13:00:52 Link to comment Share on other sites More sharing options...
Roadsport06 Posted August 2, 2014 Share Posted August 2, 2014 Quoting Jonathan Kay: 1 Are you sure about not having intermittent wiping... on mine it works by switching them on and then off again quickly... Jonathan Intermittent wiping stopped before 2010. Mine is 2006 and doesn't have it. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 2, 2014 Member Share Posted August 2, 2014 Thanks: I didn't know that. Jonathan Link to comment Share on other sites More sharing options...
Paul Deslandes Posted August 2, 2014 Share Posted August 2, 2014 Do they self park having been set at either speed? At either speed, when switched off, they should go to self-park at 'slow', even if they've been running fast. Edited to add, depending on the answer to the above, we might be able to establish whether it's the switch or the motor. This link has a lot (maybe too much) info there. Edited by - Paul Deslandes on 2 Aug 2014 11:27:10 Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 2, 2014 Member Share Posted August 2, 2014 Is there a convenient point to read get a meter on the feed from the switch to the motor and the feed that supports the self-parking, see above? If there is it would be helpful to check if the voltage is dropping on either when the wipers stop. Jonathan Edited by - Jonathan Kay on 2 Aug 2014 13:05:51 Link to comment Share on other sites More sharing options...
BlueAndWhiteClassic Posted August 2, 2014 Author Share Posted August 2, 2014 Thanks everyone for the helpful suggestions. Knowing my limitations, I'm off to consult Richard at Automotive Engineering! Link to comment Share on other sites More sharing options...
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