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Subject: [T3] T-3 and T-4 Auto > Does anyone know if a 1973 412 automatic and 1972 T-3 automatic are > interchangeable. The 412 looks just like the T-3 except for a switch on the > forward right side. Yes, they are interchangeble. That switch was connected to the ECU on the T-4 to tell it when the transmission shifted into high gear. Transmission mounts were different, but they are bolt on, so they can be changed. Russ Wolfe russw@classicvw.org http://www.classicvw.org/ ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/