Instrument Cluster not dimming

[Ol Man]

2016 LTZ Tahoe, unable to dim the lighting on the instrument cluster and nav panels, the center console brightens and dims as it should.

 

[OR VietVet]

Welcome to the forum from Oregon.

May have a faulty one of these: https://www.rockauto.com/en/moreinfo.php?pk=10951720&cc=3315182&jsn=2254

 

[Ol Man]

Installed new light switch, and no luck.