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1- it is either bad connection or bad radio if fuses are good
Pull the radio out and check the electrical connector on the radio for backed out pin not making good contact ,shine flash light on it & check for burned spots or melting
also use a test light with switch on , do you have power on any of the plug pins
no , the backlight led in the panel burned out most likely,panel still working though as far as ac control though right ?
i m not sure if there is a bulb or it is a circuit board for the backlight,not sure on 06, i m trying to pull up the info on it,to confirm ,i have not had any luck yet, tell me in back of ac control has like black plastic cap, there will a small bulb under it, if it only has a plug connector than it internal to it and can replace any bulb .
the radio has a separate plug in , you going to be there pulling radio check the back of the climate control connector also .