67 Dart Gt 383 Fender Tag Decoding Help

I don't think T is a P maybe a 1 which would be full trim ring on the horn

Full horn ring
View attachment 1716352298

Standard horn ring
View attachment 1716352297



If it's T4 it's a console mounted vacuume gauge
This is a 66 version but will be similar to 67View attachment 1716352299

If it's T7 it's the console tach

View attachment 1716352300

T9 undercoat / hood insulation.
The only P under a T is the TRM code


Alan