Originally Posted by CBoldman
I have an 04 STi and I cant seem to locate an appropriate wiring diagram. Anyone care to help? I would love to install my knocklite but I cant seem to be able to find the knock wire.
Have turboXS email you the ECM wireing diagram for the 04 in PDF.
I have 04 STI and pinout #25 located on connector B136 is the knock signal used for the knocklite.