2004 Sierra dim dash lights

G

G-760580

I have a 2004 Sierra that has dim dash lights in the daytime, it is almost impossible to see the prndle . Works great at night. The thumb wheel works ok at night, not at all during the day. I replaced the light switch and the ambiant light sensor. No help. It seems all the dash lights are dim in the daytime. That includes the radio, compass and temp control. None of them respond to the thumb wheel.
 
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