This mod has had mixed results. I'd save your money and search this website and ClubGP. With a couple resistors from RadioShack, you can do the same thing for less than $1.
Marc
_________________________
'00 Trans Am WS6 w/ 25K miles - Lovin' it!!
~~~~~~~~~~~~~~~~
RIP '99 GTP w/ 41K miles - Totaled in fire
~~~~~~~~~~~~~~~~
RIP '97 GTP w/ 192K miles - Totaled when broadsided