1996 subaru legacy dash lights

I have a 1996 subaru legacy LT sedan and when I took out the factory radio and replaced it with an aftermarket cd player the dash lights quit working. I have looked everywhere for an answer but now trying to find an answer on here maybe someone can help me out. any ideas would be greatly thankful. thank you and hope to have some help with this problem.

check the fuses or make sure you didnt hook a wrong wire up