( TL19E00J10300000000CAAT10 )

Center Display Unit Connector for Inputs and Outputs (Without Navigation System)
Audio-HVAC Display Unit 12P Connector

Cavity | Wire | Connects to
--- | --- | ---
1 | GRN | Audio unit (DUET RX) (UART)
2 | RED | Audio unit (DUET TX) (UART)
4 | BLU | Audio unit (DUET CONT)
5 | LT GRN | Center display unit power supply (IG2)
6 | WHT | Constant power (+B)
7 * | RED | Climate control unit (DISP CLK)
8 * | PUR | Climate control unit (DISP SI)
9 | BLK | Ground (G401) (GND)
10 | RED | Dash lights brightness controller (ILL−BULB)
12 | GRY | Lights-on signal (ILL+)

*: | With premium audio system