Window Wipers Not Working Vauxhall Corsa M Reg

hi Please Could Any1 Help Me As My Window Wipers Arnt Working On My Vauxhall Corsa 1.4ls M Reg But Everything Else Works But In Number 16 On The Fuse Box Under The Steering Wheel Everytime I Put A 30amp Fuse In And Turn The Key It Just Blows It What Could Cause This Please Let Me Know A.s.a.p Thanks.