First i would like to say thank you for all your help on passion ford forum.....RICH 170 & DUDERACING, really you advice has help me solve my problem......
Found resister pack didn't see any sign of burning, so i removed centre console and checked switch using diagram from RICH170...i managed to find out that my switch is broken and i also tested all 4 levels on fan, so resister is fine....off to buy a switch for the blower now.......many thanks to you all....great forum....