92-93 vr6 passat where is the check engine light
 

i attempted to swap engines out of my 95 jetta vr6 and put it in my 93 passat vr6 the ignition systems had to be changed i did this and now the engine will turn over but it won't start no fuel pulse signal and no spark please where do i go from here
also where is the check engine light located exacly no marking on my dash