Car Stereo Radio Wiring Harness with USB CANBUS Decoder Adapter for Camry Corolla RAV4 4Runner Tacoma Amplifier SWC Item Type: Car Head Unit Wire Hareness Material: ABS How to connect your adapter: If your car is equipped with a Amplifier, then connect the power cord at the harness or harness to the power jack of the for Camry radio, the protocol serial cable and the original USB cable to the rear jack, for Camry radio. The amplifier connector, the steering wheel control connector and the power cord connector at the other end should be connected to your car. As for other plugs, connect them if they fit the original connector of your car. If they don't fit, please ignore them. There is no need to connect them.Fitment: Fit for Camry Corolla RAV4 4Runner Sienna Highlander Prius Prado Matrix Yaris Venza Tacoma Supra