October 25, 201312 yr I have a 99 Legacy with a 2.5l I put a manual transmission in and I don't knowwhat wire to ground to let the computer know it now has a MT.I have the big blue plug not the 3 little ones.""B84" can any one help?
October 28, 201312 yr This may help. I'd suggest checking the wiring color to see if what's in there matches. http://legacygt.com/forums/showthread.php/looking-99-legacy-gt-ecu-pinout-111923.html If it does, it looks like pin 81 is the AT/MT identifier.
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