Cadillac Repair: Seville 90 Dashboard mallfunction, cadillac seville, climate control

Question
Hi! The Dashboard and driver information central /climate control display is totally black on my 90 Cadillac seville, -What to start searching for? Thank you, Peter.

Answer
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.