ok i put the jump leads on a battry hooked them up to the starter and it wont turn?

another problem is i turned the keys on and the blower is not going so turned the thing round to no3 to see if there is power going true or not? just be for i got out i heard this sprak nosie heard it again

jump out to looked and where the plug plugs into the blower was spraking

ready to burn

so i just cought the wire and pulled it stoped it from going on fire

so if any one can tell me why these things happend

thanks for your help.
thanks andy