Instructables

Step 1: Symphony of Destruction

This is the step where you have to break stuff.
First open the guitar and cut the controller wire off the board.
Then cut the traces to all the switches. (Fret buttons, Strum Switch, Start/Select)
Next open the SIXAXIS and cut the body so that the flat part where the start and select buttons are.
Last cut the guitar body where you want to put the controller.
I positioned it so I can charge and see the controller number above the strap.

Step 2: Solder, Solder and Solder

Now comes the fun stuff. A little reverse engineering tells all but I'll save you guys the fun.
First of all the controller contacts have to stay plugged in since there are some resistors on the plastic.
Now the pinout for the connector is:
Tie 4 - 7 Which is the left d-pad to tell the game it's the guitar controller
3 - Up Strum
5 - Down Strum
7 - Gnd for Up and Down
8 - PS Button
9 - PS Button
10 - Start/Select Gnd
11 - Select (Also Star power so if you have a mercury switch or a gravity switch for the tilt sensor)
12 - Start
13 - Fret Gnd - 6
15 - Square - Orange - 5
16 - Cross - Blue - 4
17 - Circle - Red - 2
18 - Triangle - Yellow - 3
20 - R2 - Green - 1

13 to 20 are the fret buttons. 1 - 6 is from left to right on the guitar controller board looking from the back with the neck up.

Lastly the whammy bar goes to the left analog and the reset button goes to the red button.
 
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symphony of destruction? megadeth megadeth aguante megadeth. nice, made me want to read on
Cabanon5 years ago
I play GH1-2-80s with my sixaxis controller on my PS3 (60gb model). why the heck it wouldnt work this way ? im desperate to find something like that.
on the newer models they took the backwards compatibility out
agdollison6 years ago
do you have the phat psp or slim
i dont actually think hes talking about psps...
razzmire A.C.E.5 years ago
i think agdollison typoed
soullesskid5 years ago
do hammer on and pull offs work with this mod?
matt3606 years ago
(the red ones)
matt3606 years ago
what sort of wire's did you use right here?
ive played GH2 with a controller before but it was on ps2. you would think it would work on a ps2 because of the backwards compatibility.
Coltz-One6 years ago
awesome job +ed
carpespasm6 years ago
would you please list more detailed instructions on which traces go from the GH controller go to which traces on the PS3 controller?
Lilica7 years ago
The problem wth Guitar Hero 2 (and Encore the 80s) is that the GH2 only recognizes PS1 controllers. GH1 accepts PS2 style guitars as well. I do not know if you can use PS1 controllers on PS3 (I'd never used one), but there's a path that you can apply on a ISO image from GH2 that allow you to use PS2 controller based Guitars on GH2. Look for "GH2" PPL patch on edonkey or bittorrent.
spamman7 years ago
I'd love to see this mod done with a logitech wireless controller for the ps2. That way I can make my wired controller wireless. How can I figure the pinout inside the logitech controller?
js3kgt (author)  spamman7 years ago
Follow the traces from the buttons onto the logitech board and use my pinout for the guitar buttons. - ellis90009 - when you hold the left d-pad it tells "guitar hero 1" that the guitar is plugged in. The buttons are different for the guitar then the controller.
spamman js3kgt7 years ago
I just tried.... it's too complicated for me. :D At least right now, it's late.
ellis900097 years ago
what are you talking about when you say "the left d-pad only works on 1" as far as i knew the controller setup for the two games were the same i just played two with the controller after i read this and it worked just the same
Crash21087 years ago
Stolen without source.
js3kgt (author)  Crash21087 years ago
Stolen from where?
weebl7 years ago
how the hell can you afford to be modding a 700 game system already?
Robmanzzz weebl7 years ago
the sixaxes is just around 60 bucks and a guitar hero pack is 70. Still alot of money, but it is a useful mod!