The Instrument Cluster Wiring Harness Connector / Pigtail serves a critical role in the dashboard of select Volkswagen models, particularly the CC and Passat CC from 2009. Located behind the instrument cluster, this connector facilitates the electrical communication between the cluster and the vehicle’s onboard computer, ensuring accurate readings of speed, fuel levels, and other crucial data. Common issues prompting replacement include worn or damaged connectors that result in non-functional gauges or intermittent readings. The OEM part numbers 3C8920970B and 3C8920970BX ensure you’re getting an authentic part directly sourced from salvage vehicles, maintaining the integrity of your vehicle's system.