Schedule E Trailer Wiring Diagram.pdf

This is a technical specification document for trailer wiring systems used in non-tractor/trailer and non-ABS truck applications. The document provides a standardized wiring diagram establishing color-coded electrical connections for trailers, specifying: terminal #1 (White) for ground return to towing vehicle, terminal #2 (Black) for key-on power, terminal #3 (Yellow) for left turn directional and stop functions, terminal #4 (Red) for stop lamps in 4-lamp systems, terminal #5 (Green) for right turn directional functions, terminal #6 (Brown) for tail lamps and marker lamps, and terminal #7 (Blue) for electric brakes. The specification mandates use of the standard J560 connector for all non-tractor/trailer, non-ABS truck-end connections as viewed from the wire side of the plug, with the document last revised on March 4, 2015.

This technical specification document does not address pricing, contract terms, set-asides, incumbent information, funding sources, or other commercial procurement details. It serves exclusively as a reference standard for electrical wiring configuration applicable to trailer equipment used in commercial or governmental transportation operations.