SCOSCHE VWK1B 1990-94 Volkswagen Power/Speaker/Signal Harness for Aktiv Amplified systems Connects an aftermarket stereo to the factory amplified system. Not Compatible with non-amplified factory systems. Direct Connection to the factory harness without cutting any wires. Manufactured with factory quality wire and connectors that are color coded for easier Installation. Backed by Scosche's Lifetime Warranty and Lifetime Tech Support