Cadillac Repair: digital dash went out now nothing works on it, cluster computer, computer module

Question
QUESTION: 92 sedan deville 4.9  v8 Fwd. the dash went black  and now the gages, temp control and fuel center dont work. i checked all fuses even the maxi fuses found nothing any idea what it might be

ANSWER: Is there any letters such as -c or -d or -151 in the fuel data display or any other display ?.  If there IS, You have to replace the BCM computer of which you can obtain numerous pictures and directives to test and fix your problem by e-mailing onlineautohelp@msn.com

---------- FOLLOW-UP ----------

QUESTION: no there is no codes only black, it was however very faintly visible for a few seconds when i first started it up but that lasted only a few times, then nothing no code or anything.

Answer
It can be a problem with the :

instrument cluster.
computer.
module.

E-mail: onlineautohelp@msn.com for several pictures, as this website which is not mine only allows ONE picture and along with the pictures will be simple test procedures for you to do to determine which component is at fault.