Genuine OEM Mazda Roof Light Wiring Harness, part number GHK167100A. This wiring harness is responsible for delivering power and control signals to the interior roof light assembly. It is installed in the roof of the vehicle. Ensuring proper function of interior lighting is crucial for visibility and convenience. Genuine OEM wiring harnesses are built with high-quality materials and precise connectors to prevent electrical faults and ensure long-term reliability.