ISO 10487

The ISO 10487 standard defines an 8-pin connector typically used in head unit for car audio. It contains pins for power-supply, off/on (typically controlled by ignition key), speakers and optionally motorised antenna.

Pinouts viewed from the cable side of the female connector:

{| class=wikitable
+ Speaker connector (B Plug)
-
right rear (+) || right front (+) || left front (+) || left rear (+)
-
right rear (−) || right front (−) || left front (−) || left rear (−)

* *Note, on modern Volkswagen Group cars and some older vehicles (such as the Peugeot 106 or Vauxhall Astra) the +12V Ignition and Battery positions are reversed.