Towing a trailer requires careful attention to safety, and a critical component in that safety system is the breakaway system. This system is designed to automatically engage the trailer’s brakes if it becomes detached from the tow vehicle. At the heart of this system is the wiring, and understanding the breakaway trailer wiring diagram is essential for proper installation, maintenance, and troubleshooting. ‘Wiring diagram’ functions as a noun phrase in this context, describing a specific type of schematic.