Auxiliary system wiring harnesses by RRH are multi-functional assemblies designed to power and control secondary systems, enhancing the functionality of primary equipment. These harnesses connect auxiliary components like lights, fans, pumps, heaters, and sensors to main power sources and control units, streamlining wiring in vehicles, industrial machinery, and buildings. Constructed with a mix of power and signal cables, they feature color-coded wires for easy identification and durable sleeves to protect against vibration, moisture, and temperature fluctuations. RRH customizes harnesses to fit specific auxiliary setups—for example, in a truck, they might link cabin lights, GPS, and backup cameras; in a factory, they could connect cooling fans and status indicators. The integrated design reduces wiring complexity, lowers installation costs, and improves system reliability by minimizing loose connections. Whether enhancing a vehicle’s comfort features, supporting a machine’s safety systems, or powering a building’s auxiliary lighting, these harnesses ensure all secondary functions operate seamlessly.