ISO connector explained, individual wire questions (stereo, audio)
audio - Peugeot 206 LX (2002), I have installed a cd player which works but it doesn't remember volume/clock settings - Motor Vehicle Maintenance & Repair Stack Exchange
CITROEN Car Radio Stereo Audio Wiring Diagram Autoradio connector wire installation schematic schema esquema de conexiones Anschlusskammern konektor
DIY Repairs for Cars: Peugeot & Citroen Radio RD4, RD43, RD45 wiring diagram (pinout)