Citroen Xsara Picasso: Radio Wiring Diagram
The standard Xsara Picasso radio (usually a Clarion or Siemens VDO unit) connects via two or three main blocks.
This is where most people go wrong. In standard ISO, Pin 8 is Ground and Pin 7 is Switched Power. Citroen often swaps these. Citroen Xsara Picasso Radio Wiring Diagram
This connector handles the unit's power and auxiliary signals. Improperly wiring the constant and switched power leads is a common cause of memory loss (losing radio presets). Standard Color Constant 12V (+) Yellow Keeps radio memory when car is off. A7 Switched 12V (+) Red Triggers radio to turn on with ignition. A8 Ground (-) Black Connects to the vehicle chassis. A6 Illumination Orange Signals radio to dim when headlights are on. A5 Remote/Antenna Blue Power for motorized antenna or amp turn-on. 2. Speaker Connector (Brown/White ISO Plug) The standard Xsara Picasso radio (usually a Clarion