big ben and his ibiza wiv an electrical problem

rite he's got a 2000 (x reg) seat ibiza 1.4 cool s.....hi8s centre console has a screen and sh*t that sont work and his air con is constantly on....now i no they av electrical trouble but do i fook as know why....someoe help plz either let me no the score georgie doors or an offer of fixin it for him would be nice he's willin to pay .....just not silly money ...cheers

update centre cosole and stereo work nowe ...ac still stuck on