Cadillac Repair: digital dash in 1989 caddy, digital dash, computer etc

Question
my 1989 caddy has lost all dash readings ( speed,fuel,heater control etc... ) I have nothing reading on the dash. What could this be?

Answer
Could be any number of things: Dash, Computer, etc. Is the CHECK ENGINE light illuminated ?.

Have you replaced the radio with a different radio or replaced or added anything to the vehicle ?.

If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.