Blown Fuse Hi every time i switch the blower on, the fuse goes. Was working now its not. Any ideas? Thanks. Its a Hyundai Coupe 2.0L W Reg.

Hello Kilwillie.
Anytime a fuse blows the circuit is being overloaded.
There are a couple of fuses that control your blower. The 30 amp fuse link and a 10 amp fuse for the blower motor relay.
If it is the 30 amp the blower system needs to be checked for the cause of the short.
Positive battery voltage goes to the blower motor and the control switch routes the ground circuit through a resistor to give various fan speeds.
Most common will be the blower motor itself having worn motor shaft bushings or an internal motor short. This will require motor replacement. Also have seen where a mouse has built a nest and it gets caught in the blower fan causing it to overlooad.
If the wire after the blower was shorting to ground the blower would come on high speed and not be your problem

And if the fuse is the 10 amp it appears the fault may lie in the blower motor relay. I believe that would be the only logical solution according to the wiring diagram.