right i have this car that has cosworth mangments fitted to it wount start thers no spark or fuel now its go a l8 ecu and has had the 4 pick up welded to the pully in the right place the distrubutor is also the same and has been done now i want to no what powers the ecu i have a plug with lots of different wires and ther is a black wire i am told its a ignition live and i also have a wire red with a blue witch is a power wire and as for the earth i take it the only earth for it is the ones on the inlet manifold and why is it that even with out cranking it over it sparking from the coil lead any pointers info /help would be grate thanks