2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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I registered just to say that I got the ones from autoillumination (7443 bulbs) and they DO NOT FIT. I was the one on stangmods that said those don't fit either. I haven't tried 7440 bulbs so I'm hoping they work.
What exactly do you mean by not fitting??? 7440 and 7443 are identical sockets. The only difference is that 7440 has only 2 wires (being single-filament) and 7443 has 4 (dual filament). There is absolutely NO distinction between the actual plastic socket.
'13 6-Speed 5.0, Brembo Package ~ Newest addition to the fam
'02 GT, 90mm MAF, Plenum&T-Body, Long Tubes, Pro-Chamber, Flowmasters, 3.73 ~ Sold
'93 LX 5.0, CAI, Headers, H-Pipe, Flowmasters, 3.73 ~ Sold
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