Thank You for choosing Just Answer for your query. Yes, I can help you.
You likely either shorted the illumination circuit and blew a fuse, or you hooked up the old illumination wire for the radio and it blew, and continues to blow the fuse.
The fuse should be #4 at the left side of the dash.
I suggest you check and replace the fuse. If it is not blown try changing the illumination level of the instrument cluster on the illumination rheostat. Did you turn it down by mistake.
If this does not correct the condition let me know and I will further assist you.
I hope I have answered your questions and addressed your concerns. Should you have further questions on this matter, please do not hesitate to ask. I want you to be 100% satisfied with my answer.
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Jake “The Auto Doctor”