Cadillac Repair: Climate control and gauges out in cadillac sedandeville, aftermarket radio, climate control

Question
QUESTION: There are no fuses blown, but my climate control and gauge lights are out.

ANSWER: What gages are out ?.

Are you seeing a -c or a -d on any of the displays ?.

Have you replaced the radio with an aftermarket radio ?.

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QUESTION: I replaced the radio with an aftermarket radio

The digital displays are out, such as gas, heating digital display

Answer
Did the climate control and gages work when the original radio was installed ?.

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.