s13 sr20det swap, no spark, power at ignitor, help!

[csimp3]

ok, i have a 91 240sx with a sr20det swap, it turns over just fine, and is getting fuel and air, but no spark. i have power all the way up to the igniter, but no power at the coil packs. does anyone have a schematic for the grounds? i cleaned the ground coming from the firewall, and the one on the front support beam. there is one that comes from the back of the head, but i cant see or tell where its supposed to actually ground out at. if anyone can tell me that would help out alot. and i cant just follow the wires because all the harnesses have been taped together. anything will help, thanks