The Scosche VW1A2B Wire Harness and Antenna Adapter Bundle is the ideal package for upgrading standard factory radios to aftermarket car stereos. This bundle is compatible with Select 1986 to 2004 VW and Audi vehicles. Each bundle includes both a wiring harness and an antenna adapter all in one package. The wire harness is ONLY compatible with non-amplified factory systems. Pre-terminated with butt connectors to save install time. Includes an aftermarket antenna male (Motorola plug) to factory radio female (proprietary plug) adapter. Provides a direct connection to the factory harness without cutting any wires. Manufactured with factory-quality wire and connectors. Meets the EIA industry standard with color-coded wires for an easier installation.