No trailer brake or turn signal on Ford, F250, 2011.

20

Asked by Apr 09, 2016 at 12:18 AM about the 2011 Ford F-250 Super Duty

Question type: Maintenance & Repair

Ford, F250, 2011. Factory towing package.
All lights work on truck. Dash reeds (trailer
connected) when trailer is plugged up. Turn
signals, brake and hazard lights do not work
on trailer. Have checked I think ALL fuses
and relays. What is next? Tennisshoe sent
picture. I have different shaped fusebox and
no relay between fusebox and master
cylinder.

2 Answers

15

how many trailers have you tried this on? maybe its the trailer itself. if not sometimes when your tow cable on the tuck isn't protected properly it breaks as in the cable hangs of your truck while you drive

20

After two weeks of searching and trying everything that was suggested, (BJB fuses) #100, 25A, (trailer tow relay) it works! BJB = Battery Junction Box.

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