Forum Discussion

Chuck___'s avatar
Chuck___
Explorer
Feb 12, 2018

2017 New truck says 5th wheel it not connect? Update 2-14-18

I purchased a 2017 350 Ford daully in October. Just after I step on the brakes the dish reads out and says that the left and right tailor lights not working/fault. The right and left turn signal flash...
wrvond's avatar
wrvond
Explorer II
Feb 16, 2018
If you have the umbilical plugged in and the truck is able to test the lights, then everything should work.
Have you tried plugging the umbilical into both outlets?

I have seen one case where the female plug on the truck came from the manufacturer incorrectly wired.

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