I wasnt suggesting it wasnt possible vibro i was just saying that if loop in was available then we wouldnt even need to be arguing about it coming on and off with the light switch.
Except the fact that the OP wants the fan to come on and off with the lights and over run with the timer! Hence the reason for the thread.
Still can't make any sense of your post, but maybe you in fact have mistaken what has been asked by the OP!