The series, typically manufactured by Fujitsu Ten , uses standard Toyota wiring configurations found in models like the Corolla, Hiace, and Avalon from the late 1990s through the early 2010s. While internal circuit diagrams for these units are rarely released by the manufacturer, the external pinouts for the main wiring harnesses are widely documented and reliable for aftermarket installations. Common Wiring Pinout & Color Codes
Wiring harness colours explained for a stereo (The 12Volters) Toyota 08600 Radio Wiring Diagram
Drop the 08600 part number and vehicle year in the comments below! The series, typically manufactured by Fujitsu Ten ,