Ford Trailer Brake Controller Jumper Harness F85Z-14A348-A Wiring Color Codes

This document is a wiring reference illustration for a Ford trailer brake controller jumper harness, part number F85Z-14A348-A. It shows a drawing of the jumper harness with its connector plug and five wire leads, accompanied by a wire color code legend explaining each conductor's function. The five wires are: BR (brown), which runs from the head lamp switch to the vehicle running lamps; R (red), the fused trailer brake controller battery feed; LG (light green), the vehicle stop lamp switch input to the brake controller; DB (dark blue), the trailer electric brake feed output from the brake controller; and W (white), the trailer ground. A reader can use this diagram to identify which wire on the factory trailer tow/brake controller jumper harness serves which circuit when installing or troubleshooting an aftermarket or factory electric trailer brake controller. The illustration depicts the physical harness with the wires exiting a multi-pin connector, making it useful for matching wire colors at the vehicle's brake controller connection point. No specific vehicle year or model is stated on the document itself, though the Ford-style part number identifies it as a Ford service part. This scan appears to be one page from a larger set of Ford wiring and service diagrams.