1992 dodge dynasty radio diagram

I need to wire in a pioneer radio to this 92 dynasty and i need to know what the colors represent. THE FOLLOWING DIAGRAM IS COMPLETELY WRONG, PLEASE DONT POST IT ...... Radio Constant 12V+ Wire: Red Radio Ignition Switched 12V+ Wire: Red/White Radio Ground Wire: Black Radio Illumination Dimmer Wire: Orange/White Radio Antenna Trigger Wire: Yellow Radio Amplifier Trigger Wire: N/A Front Speakers Size: 3 1/2 Front Speakers Location: Dash Left Front Speaker Wire (+): Green Left Front Speaker Wire (-): Green/Yellow Right Front Speaker Wire (+): Purple Right Front Speaker Wire (-): Purple/Yellow Rear Speakers Size: 6 x 9 Rear Speakers Location: Rear Deck Left Rear Speaker Wire (+): Brown Left Rear Speaker Wire (-): Brown/Yellow Right Rear Speaker Wire (+): Blue/Red Right Rear Speaker Wire (-): Blue/White