i have found this great little module replacement on ebay and it is a fantastic piece of kit.
it is half the size of the original module and seems totally waterproof.
it got my windows on my mark 2 renault megane working again.
phone this guy if you are stuck,he is a genious
ebay item number 321161389016
the link is
http ebay.co.uk/renaultwindowrepairsni
russell
August 2013