Lost: Via Domus Q&A

im stuck on the bit wer ur in the hatch and hav 2 do the circuits ive done the first one its just the other two i cant do can sum1 please help me i have been sittin ere tryna do it 4 like an hour an a half im goin mad lol post on ere or e mail me prefer u 2 ...

i am on the last puzzle of the game. i have been realeased from the cell and have spent literally hours searching for fuses. i have raised the shark thing but i seem to be a 3 srung fuse short i have searched every where in every room. wats goin on? plz e-mail...