Mk3 golf gti 8v?

I have golf gti 8v about month a go it cutout
and wount start from that time, there was a bad earth to the engine what burnt out the coil earth lead l have done that now I have put a new coil in still the same try a new ecu relay no change. But thing I have notice is that there is one spark coming from the Coil lead and then it stop. So can any one help me it's doing my head in

Clay
April 2010