Wiring Help!!! ASAP!! please help!

so i wired my ca18det into my 87 s12 everything has power. the fuel pump kicks on and the accesories all work the engine when i go to crank it. the engine cranks over but i pulled one of the plugs to see why it wasnt starting and all 4 plugs aren't firing at all no missing just not firing whatsoever i need immediate help i need to get my car running before this weekend for a drift event. thanks

Did you hook up the start signal from the white plug near the ECU ? (Orange wire > connect to your s12 starter wire at the key?)