Hondata

what is that buttom the guys is talking about in your videos, or whats it wired to?
sry if this is a dumb question

let me know if that thing works

i have an 02 k20a2 and an 06 tranny + kpro
everything was working before the swap, and is still working with exception to the speedo.
is there a way to fix it.
i heard u may be able to rewire or use a universal speedometer signal interface
?
any help???