2011 FORD F-350 SD Exterior Lighting Problems

IN A DAYLIGHT SAFETY ZONE REQUIRING HEADLIGHTS, I NOTICED MY DASH LIGHTS WERE NOT ON, EVEN THOUGH MY LIGHT SWITCH WAS IN THE MANUAL ON POSITION. THIS OCCURRED DURING DAYTIME WHILE TRAVELING THROUGH DENSE GROVES OF TREES THAT ALLOWED ENOUGH LIGHT TO SEE THE ROAD, BUT PRODUCED ENOUGH SHADE TO DARKEN MY INSTRUMENT PANEL. ON ENTERING A TUNNEL, MY HEADLIGHTS SHOWED TO BE ON, BUT THE INSTRUMENT PANEL LIGHTS WERE NOT ON, CAUSING THE INSTRUMENT PANEL TO BE TOTALLY BLACKED OUT, AND CREATING A POTENTIAL HAZARDOUS CONDITION. THIS OCCURRED FOR NEARLY A HALF MINUTE UNTIL THE DAYLIGHT SENSOR DETERMINED IT WAS DARK LONG ENOUGH TO ACTIVATE THE DASH LIGHTS. I BROUGHT THE PROBLEM TO THE ATTENTION OF TWO FORD DEALERS, WHO WERE UNABLE TO DUPLICATE THE PROBLEM WITH THE TRUCK IN THEIR SHOP. THE THIRD DEALER I CONTACTED WAS ABLE TO VERIFY THE PROBLEM I EXPERIENCED; SPECIFICALLY, THAT WHILE THEIR...