Join Date: Jan 2007
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Im sure I remember another member having the same problem after a windscreen change. I think (if I remember rightly) is was a wire for the sensor which had become detached.
Do a search of the forum for "auto wiper problem" and see what it digs up for you. I'll have a quick look too.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo