Mercury Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.
This is going to be more than a fuse to blame. Most likely its the radio itself, the circuit board inside it controls the illumination for the buttons from a data communication wire signal. There is no fix for this, the radio has to be replaced.
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Hello again Chris here,