i wired everything using a 6al and ss coil. everything has power but no spark to the distributor. so i changed everything back to stock. not the motor is shaking. and my check engine light is on. i don't know how to get the codes. can anyone help??

 

Plug wires on correct on the Dizzy?
Call MSD, I had a problem initially, they will walk you through a self test of the MSD system and filter out the problem.