Usually the color of the remote wire on aftermarket radios are either blue or blue with a white stripe.
What's The Remote Wire Color For A Panasonic Cd Player?
Well there are three colors in the wiring diagram of a cd player you can check the diagram and their functionalities which can help you to make amplifier working in your car. For details check this website.
www.fixya.com/tags/wiring_diagram
www.fixya.com/tags/wiring_diagram
