Reply to My Midi Fighter Mod

Its been a while i posted a start to this mod at the beginning of the year but i cant find the original post. Started this mod yesterday got the top plate cut to size and a few holes in the top, this is the basic design. Hopefully ill get it finished at the end of the month. I need some help with wiring up the faders cant seem to get any readings out of them. There is 4 places to add wires they say 1,2,3 and blank. Any help will be appreciated. the part code is

1440015 5 Refer Web 7.10 KNOB, SLIDER, 14X11MM, 4X1.2 SHAFT; Knob CP-L3 MULTICOMP

from http://au.farnell.com/