Neutralizing triggers on dualshock 3 pcb

My google skills are failing me, I can't find any direct information on how to do this. I'm using dualshock 3 PCB (no daughterboard), and I want to map my corresponding buttons on my joystick to them. I know I'm going to need some resistors, but I don't know which values and to what points to solder them. I have the 3.5x version of the dualshock 3.

Do any of you have a link to some info on this? Any advice is aprreciated.

 

Slagcoin.com has a good wealth of information regarding different controller PCB's. Specifically, check out this image link: http://slagcoin.com/joystick/pcb_diagrams/ps3_diagram3.jpg