In order for the CB and Intercom to function on the 2011 FLHXSE2, you will need to add 2 wires to the J27 side of the radio (right side, or left side if you are looking at the back of the unit) - then make a 6B female "ultra" or "interconnect" or "audio connector". I converted my iPod connector to a 6B connector, then used the NIM/iPod harness for the iPod/NIM connections. Keep in mind that the stock iPod connector is an 8 position DTM connector, and the 6B is a 6 position DT connector so you'll need to crimp or solder new sockets to the iPod connector wires. You'll also need a non-ultra overlay harness.
The 2 new wires for J27 enables the PTT function and are as follows - remember this is the 23 pin connector and NOT the 35 pin connector:
Blue/Yellow - Pin 2 (J27) - PTT (MIC)
Violet/Grey - Pin 15 (J27) - DSCAR Switch Matrix In
The other 4 wires/signals from the iPod connector can be re-used with new socket contacts. Of the 4 remaining wires, 2 are required and 2 are optional. These signals are the following:
Red/Orange - Battery (from H/K radio)
Black - Ground (from H/K radio)
The following wires from the original iPod connector are not required. They can be terrminated in the 6B connection and cut/capped in the J27 wiring bundle or just cut/capped at both ends.
Yellow/Orange - CAN (+)
Yellow/Violet - CAN (-)
There is an easier method to do this and a harder method. I, being the obsessed individual I am, naturally chose the harder method

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Easier method - use the existing iPod wires for the new J27 connections (the Tan/Red and Tan/Blue)
Harder method - run properly color-coded wires for the new J27 connections.
I would say this is a somewhat difficult task to do - more tedious than anything. If wire color-codes and crimp tools make you cringe ... then maybe let the dealer do it

Pic - not a very good one - of a properly color coded and pinned 6B (converted stock iPod connector) is attached.