What bit(s) don't work?
What model / year is it?
ONce you habve got some BASIC INFORMATION sorted, you should be able to find fusebox layouts easily enough. There's a wonderful thing called Google that may help.
try this:
https://www.google.com/search?q=vw+polo+fuse+box+layout
Here's a typical result. It is for one specific set of VW types so CHECK IF IT MATCHES YOURS :
http://www.a2resource.com/electrical/CE2.html
Sheesh, December 2014
