The package includes connectors that plug in between the Maestro module and your factory radio’s wiring plugs. You’ll have to solder or splice together this harness’s power/ground, illumination, speaker, and navigation output wires to the corresponding wires on your aftermarket receiver’s wiring harness.

• Connect a new car stereo and retain steering wheel controls and factory amp in select Toyota-made vehicles
• Allows installation of a new car stereo in select Toyota vehicles (also requires the Maestro ADS-MRR module)
• Retains the use of your steering wheel audio controls and factory amp
• Retains select factory features and displays performance data on touchscreen with select Alpine, JVC, Kenwood and Pioneer receivers