Dome/Map Light ?

By Highland416
April 10, 2012 in Ask A GM Technician

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Highland416

Posted April 10, 2012

I have a 2011 Silverado that the dome or courtesy light comes on when you open the door, but the map lights don't work. It has had this problem since new.

Recently I had the overhead "console" apart to install an aftermarket switch for a pair of DayLighters and tested the wiring to the map light switches...all cold. Yes even when running!

Any ideas?

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