K2: LaserBeam Filter from Sotabeams

I installed the Laser Beam filter from SotaBeams on my K2. Here are some pictures

Narrow-wide switch

Power supply cable

BF cable (note: the white-yellow cable is not connected in final version)
Remove 0 Ohm resistors

The signal Led

I have print support

On the side of my K2

how connect to the filter

The final version.

Note: 

I connect the RB12 (voltage gain) to ground for a voltage gain =4