Numerous electrical issues with my 115k miles Excursion 5.4. No dome lights, cig lighters non working, fuses good. Running board courtesy exterior lights remain on for 5_-10 minutes after exiting vehicle with doors fully shut.
Bummer. Do you have a question about this?
The most common cause for electrical problems of your vintage of Ford is the GEM (Generic Electronic Module)
https://moduleexperts.com/gem-modules/
Tester