Wiper delay modification

[patcal]

So I tried to add the VW relay so I could adjust my intermittent wiper. I bought a relay with the following numbers

#321 9556 531a

While the relay fit the socket, the wipers would do nothing in this position. With this relay I also lost the wiper park feature. Is this the right relay & I just got a bad one? Thanks.

[Cookeh]

From a quick Google it seems your relay is number 19, not 99. Whilst both are wiper relays, its 99 you need as only it is the programmable one.

The part number of the 99 relay I put in my car has part number 357955531.