Genuine OEM Hyundai Exhaust Pressure Control Valve Harness, part number 284502F700. This harness provides the electrical connection for the exhaust pressure control valve, enabling it to transmit critical sensor data to the engine control unit. It is typically found within the exhaust and emissions system, linking the valve to the vehicle's electrical network. Choosing a genuine OEM harness ensures correct pin configuration, wire gauge, and insulation, which are vital for accurate sensor readings and preventing electrical faults in a high-temperature environment.