Toyota Radio Stereo Wiring Diagrams - MODIFIEDLIFE I need the wiring diagram for a 99 toyota camry with the premium sound system. Reply. ModifiedLife says: March 18, 2013 at 10:53 am. MD, ask and you shall receive: 2001 Toyota Camry Car Radio Wire Schematic. Reply. md says: February 26, 2013 at 3:42 pm. I need wire diagram for 2001 toyota camry. Radio missing when I got it so have to use what