Cadillac Repair: 1997 Deville Electrical, highbeams, buttom

Question
None of my windows no longer have power, also my cd player is getting now power.  My highbeams no longer work along with my trunk buttom and the fuel door button.

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 ?.

Did all this happen all at once ?.


How long have you had the vehicle ?.