AERPRO The primary harness is the harness that plugs into your cars main entertainment system connector and converts it into a double ISO connector system (Universal). After selecting your primary harness you then select a secondary harness to connect between the ISO connectors and the aftermarket head unit that you have (this is selected based on what brand and type of head unit you have).

Features

• ISO connector to Lexus IS200 for factory AMP bypass.
• Easy plug and play solution.