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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.
I have a 1988 5.0 GT I am planning on a mass air conversion some one told me if I swap in a harness out of a mass air car my fuel pump will not turn on any one now about this thanks peoplejust wondering
well i can tell you from personal experience you have to find a harness out of a 1988 i did the same swap and i got mine out of a 90 gt and every thing worked execpt my fuel pump i traced wires for hours until i found out the harness was differnt so i wired my pump to a key on hot and called it a day