Update - I put pepper round the areas the cats seemed to like last night and the light never went on once, no shit either. Not a long term solution though.
if u just put orange and lemon peels in ure garden that works cats hate citrous like when we had a cat we bought these wax scencted oranges and that and rubbed em on sofa so cat wouldnt go on and it works if it doesent work nail its paws 2 a cross and crusify the fucker