cutting out when i put the lights on

Hi All,
I have a problem on my GP, when I put the side lights on, she cuts out or plutters, now the head light no longer works anybody had this problem. Can anybody please help with this one.
Cheers
Stag
I have a problem on my GP, when I put the side lights on, she cuts out or plutters, now the head light no longer works anybody had this problem. Can anybody please help with this one.
Cheers
Stag