Thanks for all the helpers..
I just installed CR3 lite to my x-box 360 E (super slim) i used a cpu post fix as well (for the C point)
the Blue FT3T10 and its 10-14 cm long.
tried the LK2 shot all off in S2 and LK1,3,4 all open
the green light wont come up.. so i tried S2=2,5 ON