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Originally Posted by biggsteve97
my 2003 Tahoe does the same thing but mine also has a slight flicker/pulsing to the PRNDL, info center, and Climate control displays. Ironically the radio and dash light are night affected. Im lost on this but i also dont know if this is normal.
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That is not normal, GM didn't start using the on/off alternator until 07. First guess would be your alternator is on its way out. Post up in the 99-06 section so our specialists can chime in
