Cadillac Repair: 96 seville wont start, climate control, seville

Question
recently installed a new (used) motor in good running condition- motor turns over well - will not start and
appears to have no spark? Help Please

Answer
IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other lights illuminated or any messages from the message display center ?.

What work or diagnostics of ANYKIND WHAT-SO-EVER have been performed on the vehicle trying to fix this problem ?.


Do you know how to retrieve the fault CODES from the computers via the climate control panel ?.

If you DO, Tell me what codes you are getting and which codes are History and which codes are Current.