ok, car wont start, cranks but no spark. changed the opti, coil and ICM. used the guide on shoeboxes site to check the opti and im getting 11.5 volts to pins A and D on the ICM harness with key on and im seeing like 2.5-3 volts AC on pin B to ground when cranking the car. plugs are brand new, same with wires, wires are all correct too. all fuses are good. please help