F250 Trailer Disconnected Message
We were 25 miles away from our second campground on a 3 day 1000 mile trip when the message center on my 09 F250 indicated "Trailer Disconnected". The trailer running lights were still on and braking ...
Forum Discussion
I had the same message on my truck. It was caused by the brake wiring on the trailer being cut by up/down axle movement. The warning initially would show on rough road conditions. The warning became permanent when the wires were cut. Spliced the wires during a rest stop. No more disconnect warnings.
