Finally got a fuse had to order it from ebay ?3.80. went to halfords, troy, andrew paiges, unipart,a local shop, motor save and the dealer evans halshaw none to be found.
well just taken the new resister off to check that and that looks like new still. so off with the heater blower motor, mangaged to get it off and theres water dripping out of it so while it was out stuck another fuse in and it hasnt blown so problem found.