IIRC in in 2002 the maf wiring incorporated the air temperature sensor in the maf. Prior it was a separate sensor in the intake. So I know my 2000 GT is a 4 wire.
But I've never tried to switch them on my Fox lol
2000 Mustang GT-Former giggle gas addict
1990 Mustang GT w/ Vortech V3
***resident gun idiot***