On the non-turbo models the tach is in pin 22 of the 35 pin plug. On the turbo models the tach is in pin 22 of the 35 pin plug. On the STi models the tach is in pin 23 of the 34 pin plug. The tach wire is also found behind the instrument cluster.
Originally Posted by brunetmj
Would you be able to clarify the location of the tach wire. I am not familiar enough with the car to know where the intake pipe is. Is this in the engine compartment? If anyone is wondering about the use of the green tach wire off the ECU, well all I can say is , it did not work with the remote starter I am using.