Where is the PCM located in my 1994 cadillac deville how do I access the PCM?

So....what kind of advice is this from a "master mechanic"? "flush a few hundred down"?????????????????????? SERIOUSLY?????

That's OK , I read your B.S. response to why the 'D' light would be flashing on a Honda , so we're fine. Obviously you already know more about how to fix your own car, , I was trying to tell you to test first to verify the actual problem , rather than just guessing and replacing parts (that by your own admission , you don't understand the system/circuit operation). You can waste as much money as you want , until you get it (maybe).We see it on probably half the posts here , where people have wasted hundreds of dollars on their guesses , and then they ask for free help , and then for the 1 out of 10 that reply , they complain about free suggestions.....................................keep guessing on the caddy , at the very least , you can have fun! .............I never claimed to be a master mechanic , that's repairpals' system , I just work on cars (fix), read my profile and lighten up ! ........most importantly .have fun!