Pulled 7way plug out of truck.
In a hurry, got distracted and pulled away from my trailer with the cord attached. The cord was stretched at the electrical box in the king pin assembly. I removed the box cover plate to see if there ...
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look through this link and you'll find the connections you need.
https://www.bing.com/images/search?q=7+pin+wiring+harness+from+truck+to+trailer&qpvt=7+pin+wiring+harness+from+truck+to+trailer&FORM=IQFRML
As to the controller, even if the pigtail is not connected to the trailer when you push on the brake it should give you at least one red light..
https://www.bing.com/images/search?q=7+pin+wiring+harness+from+truck+to+trailer&qpvt=7+pin+wiring+harness+from+truck+to+trailer&FORM=IQFRML
As to the controller, even if the pigtail is not connected to the trailer when you push on the brake it should give you at least one red light..
