: If your new radio loses its settings every time the car is turned off, you likely need to swap the power wires. Fag Lighter Power
This happens when Pin 4 (Permanent 12V) loses connection. Every time you turn off the ignition, the radio forgets it was already unlocked. Check the yellow wire for corrosion or a blown fuse (usually Fuse 11 or 16 in the glovebox fuse panel). Citroen Xsara Picasso Radio Wiring Diagram
The Picasso's audio system often uses specific internal codes for its components: : Main Audio Unit : Front Door Speakers (Driver/Passenger) : Rear Speakers (Left/Right) : Front Tweeters (Left/Right) Key Installation Tips Steering Wheel Controls : If your new radio loses its settings
Note: In some Xsara Picasso models, pins 4 and 7 may need to be swapped to retain radio memory settings, as Citroen's factory wiring sometimes reverses these positions compared to aftermarket units. Block B: Speakers (White/Brown) Speaker Position Right Rear Purple/Black Right Front Grey/Black Left Front White/Black Green/Black Common Components & Codes Check the yellow wire for corrosion or a
This is where the diagram gets complex. The Xsara Picasso uses a bus for steering wheel controls.
Instead, buy the following: