Tail lights not working
I have a 2016 f150 tail,brake and turn not working third light on cab works as should all trailer light functions also work fine any help
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Does the vehicle have the optional remote tailgate release feature and if it does is it also not working?
Reason for asking as the one thing that is common to both the left and right taillight assemblies (and the remote tailgate release) is that they all share the same earth connection on the body of the vehicle.
If the connection was faulty none of them would work.
Here's a composite image from the 2016 F150 service repair manual, showing the ground (earth) distribution for the taillight assemblies and where the earth connection point (G400) is on the vehicle.
Maybe check if it is OK.
(click on image)
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