USB in Dash connector

[Simo5000]

Hi all,

Did the usual, changed the head unit to a Desay RCD330+ and now the dash USB isn’t working.

What I want to know is the pin output of the dash USB connector. I can see the normal 4 pin USB, but what are the two pins above the connector. I do not have the AUX plug. See photo.

Looking at doing 12v - 5v converter and plug into the now unused connector at the back to get power back so it can charging only.

 

[Pauly]

The top two are power pins and supply 5v fed directly from the old headunit

 

[dhardyuk]

Illumination ....?

 

[Simo5000]

The top two are power pins and supply 5v fed directly from the old headunit

Ok,
That’s a little confusing. As there’s the 4 pin connector that goes into the back of the original head unit, minus the two pins.

What would those 2 pins be feeding….less the standard 4 pins power and data?


Head unit connector

Illumination ....?

Could be, I’ve never noticed whether it illuminates or not