Ok so wipers aren't working here's the things Iv tried 
Motor 
Switch
Relays 
Convenience control unit 
Earths
Fuses 
Probed power to motor only getting 11.6v in red and white and purple and white is getting only 9.0v
Where as another golf same gets 12.6v in both unsure it its wiring gonna trace that next as can't think of anything else as they actually came on them selfs without switch being on wouldn't go off unplugged motor not worked since thanks in advance