Affected pin

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

External Harman amplifier, plug A, pins 7 and 16

Fig 1: Identifying External Harman Amplifier Plug A Pins

Courtesy of PORSCHE OF NORTH AMERICA, INC.