This is a 20-pin connector for Suzuki and Honda vehicles! It's used when replacing the factory navigation/audio system with an aftermarket deck or navigation system. This connector converts the factory wiring. Depending on the vehicle model, it can also be used for Honda, Suzuki, and Nissan vehicles. (I am not an expert, so I cannot answer questions about compatible vehicle models.) It is compatible with Carrozzeria, Kenwood, Alpine, Clarion, etc. Conversion harness, power supply extraction, 20P