GPMspeedshop Posted July 22 Report Share Posted July 22 have Blacktop sr20 Wiringspecialties harness to interface to oem cluster- no tach signal- just was hoping someone could tell me the settings so i dont have to guess a bunch of times-- motor is running- audi coils- going for tuning this week just need to set tach output to proper settings- and if there are settings for speedo that as well thanks Quote Link to comment Share on other sites More sharing options...
Adamw Posted July 23 Report Share Posted July 23 There should be no special settings required for the tacho apart from assigning the correct output pin to the tacho function. The speedo is not controlled by the ecu originally, has that been changed? Quote Link to comment Share on other sites More sharing options...
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