Problem solved (after two dealers and three full days in the shop).
The trailer brake issue was the result of a faulty harness that houses the trailer brake controller. It simply needed to be replaced.
12v lead - The vehicle computer is smart enough to discern the difference between an actual...
Hey Lou, thanks for the reply. I tested at the 7-pin plug with a ABN 12V 7 Way Flat Pin Connector Tester. You're right about the 12v fuse being #30 - I checked that - the fuse is there and seated correctly.
If there's a loose wire, that exceeds my DIY capability. I reached out to a rural Ford...
First post here - I'm looking for some help. Last week I purchased a new 2019 Expedition Max Platinum with Heavy-Duty Trailer Towing Package. Currently getting no power to the 12v lead or the trailer brakes. Anytime I squeeze the brake controller the Expedition screen reads, "trailer...
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