I currently own a AVIC 6400NEX.  On the back there are two connections that aren’t in the names in Pioneer’s diagram.  There is one below the WRC (wired remote controller) and beside the mic input.  There’s also yellow colored input over by the A/V port.  Does anyone know what these ports are?  Thanks. 

-Bill

I think the yellow colored input is either the iDatalink port, or the HDMI?

The WRC is for hooking up a remote control ie steering wheel control adapter for older cars that don't use iDatalink.    I used it on my wife's 2004 Ford.

On 4/26/2019 at 7:14 PM, miketx said:

I think the yellow colored input is either the iDatalink port, or the HDMI?

The WRC is for hooking up a remote control ie steering wheel control adapter for older cars that don't use iDatalink.    I used it on my wife's 2004 Ford.

I did find out the yellow colored input is a RGB INPUT.  My WRC is the jack above the one I’m talking about.  I think the jack I’m talking about is a audio input.  

-Bill

Audio output for rear a/v control