Legacy Pioneer connection for multi-disc CD changers or Bluetooth adapters (e.g., CD-BTB200). 🔧 Step-by-Step Installation Instructions 1. Disconnect the Battery

Before beginning the installation, ensure you have all the necessary components: : The double-DIN touchscreen head unit.

: Ensure the main unit is mounted as flat and horizontally as possible. A vertical tilt of 0-30 degrees is acceptable, but side-to-side tilt must be within ±5 degrees.

: The primary power and speaker connector.

— it’s likely a DIY blog post or PDF from ~2008–2012. Check: