If you tell me (model number) you’re working with, I can give you the exact pinout for that model — especially for car audio or vintage A/V gear.
Also tie SCART pin 18 (GND) to Sony pins 2, 7, 9, 10, and 13. sony 16 pin wiring diagram
If you need the specific PDF for your exact model (e.g., MEX, WX, or XAV series), you can download it directly from the Sony Support Manuals Page Quick Tip: If you are building a custom setup, you can also use If you tell me (model number) you’re working
: For your stereo to turn on, you must connect the Yellow (constant power), Red (switched power), and Black (ground) wires. If the unit loses its clock or radio presets every time you turn off the car, the Yellow and Red wires may be reversed. If the unit loses its clock or radio