Location of J1962 socket
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Jaguar XJR, 2003 Jaguar XJ8, 2003 Jaguar XJ, 2002 Jaguar XJR, and 2002 Jaguar XJ8. However, it is still accessible from the selected car via links, so may be relevant.
The J1962 socket is located at the driver side inboard footwell.