I am installing my HU and using the Scosche Thumb control. When i am done connecting all the matching colored wires, there are still the orange(illumination) blue (remote) and on the Scosche plug that goes into the remote 2 location of the HU 3 wires are left not connected Key1, Key2 and GND. where do these get connected?

I also have the Arc 600.4 and it has an orange wire. but I have read I do not connect this if I am using autosense.

Thank you.

 

Key1 and Key2 don't get used for that Sony. Slice in the GND to ground wire on HU wire harness. Plug 3.5mm into back of Sony.


No need to use orange.


If autosense doesn't work, then connect blue wire to Arc