Factory radio wiring color diagram for 2005 Cadillac cts?

For a 2005 Cadillac CTS, the factory radio wiring color diagram typically includes the following colors:

• Power (12V): Yellow
• Ground: Black
• Ignition/Accessory: Red

• Speaker Wires:

  • Front Left (+): Gray
  • Front Left (-): Gray/Black
  • Front Right (+): Purple
  • Front Right (-): Purple/Black
  • Rear Left (+): Green
  • Rear Left (-): Green/Black
  • Rear Right (+): Brown
  • Rear Right (-): Brown/Black

Always double-check with a wiring diagram specific to your model, as variations can occur.