newer ford and sensing trailer hooked up

JBarca wrote:

BB_TX wrote:
I would start by cleaning the contacts on the trailer cord connector and truck receptacle. Do you have both a bumper connector and an in-bed connector? If so, try the other one (which ever you do not normally use).

X2 on this above BB_TX.

I have had the same issue; the DOT lights work, but I lose the brake wire connection, and the controller shows the trailer disconnected. The issue on mine was with the trailer plug, and it depended on which trailer I plugged in. On some trailers, the plug fit into the Ford truck receptacle was not tight, and it seemed the brake wire lost the connection, mainly in turn. Or that I never saw the lights flicker as the controller used the brake wiring as the system to detect trailer was connected or not.

And then, on some trailers, dirt was jammed in the cord plug, holding the contacts apart on a friend's trailer I was repairing for him using my truck to tow it.

If you have the DOT lights but lose the brake, it points most times to the plug and receptacle connection.

I have found that using a velcro wrap over the receptacle cover and the trailer plug to hold them tight helps them wiggle loose in a turn situation.

Let us know what you find out. I'm sure there are more ways to have the problem happen. You need to keep those good tips for a day when you might need that info.

John