Originally Posted by 04WRX_Boost
You can actually just jump the flashblock with, standard 18G wire from autozone, jump pin 1-2,3-4, then just run a 12V to pin 1 and bam! it works great, currently flashing my 2004 WRX with this method. May need to turn on headlights so you dont get voltage too high error.
I assume you are talking about the voltage mod, which is not my issue. Unless you weren't talking to me in which case... er... sorry