i cant remember taking 4 out but theres 4 leads...If you could find out like where they go and the two cables have 1 or 2 dif colour wires in em that wld b wicked ! I got mine 4 150 quid and was fine up untill now.what bout spark plugs could it be them as we was propa pushin in the trottle and clutch loads ..might be flooded