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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
My bad....went with the "99" of your username, PCM mentioned instead of ECM, no sig either....anyway....in that case all you need to do is follow the procedure you'll find at http://www.themustang-net.com/eec.shtml using the CEL, VOM or test light to count flashes. Hope this one does help. GL
My bad....went with the "99" of your username, PCM mentioned instead of ECM, no sig either....anyway....in that case all you need to do is follow the procedure you'll find at http://www.themustang-net.com/eec.shtml using the CEL, VOM or test light to count flashes. Hope this one does help. GL