Scirocco Register

What do they do?

19 is a standard wiper i think. can't remember what 59 does

If you're handy with a soldering iron, http://www.maplin.co.uk/Module.aspx?ModuleNo=3182

Easier (and cheaper) to buy the relay though

I have a relay from a skoda that i found in a scrappy i will check the part number and post it up because its easier to find than the vw ones and it is programmable