What can it be if the dome light wont shut off on a 99 Ford Ranger?

9UER0

New member
Note: It also has the "Door Ajar" lit all the time even tho the doors are all closed(the trunk has the right latch not working). Also the dome has 3 light bulbs with a switch that controls all of them. When I move the switch either way all of the 3 light bulbs stay on they do not shut off at all. What can it be?
 
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