This authentic OEM starter/alternator cable harness, part number 8E1971225T, is sourced directly from donor vehicles and designed specifically for the 2008 Audi RS4 Cabriolet with a 4.2L V8 engine. The primary function of this wiring harness is to connect the starter and alternator, facilitating efficient power transfer within the vehicle's electrical system. Common issues this cable resolves include electrical failures due to worn or damaged wiring, which can lead to starting problems or alternator issues. Also referred to as a positive cable or wire harness, this component is crucial for maintaining optimal vehicle performance and reliability. Compatible with part numbers 8E0803123C, 8E1805229A, and more, it ensures seamless integration into the vehicle’s system.