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walker111's avatar
walker111
Explorer
Jun 14, 2021

trailer brake issue

2017 f350 diesel and 2014 voltage 3305 toyhauler.
I am getting a prompt on my screen when hooked up and I pull the brake controller it shows TRAILER DISCONECTED.
Any ideas? Bought some diaelctric grease and will apply some and was thinking maybe a ground issue??
Thanks
Tow Vehicles
  • WNYBob's avatar
    WNYBob
    Explorer
    Jun 14, 2021
    Don't use dielectric grease!
    Use contact cleaner / lube.
  • azdryheat's avatar
    azdryheat
    Explorer
    Jun 14, 2021
    My "trailer disconnected" warning shows up when the trailer umbilical cord looses contact with the truck receptacle.
  • guidry's avatar
    guidry
    Explorer
    Jun 14, 2021
    Check your ground first then move to other wires. Something may have hit some wires near the wheels or loosened one.

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