With the ISO to ISO cable from Adapter-Universe, you can easily retrofit your new radio. Furthermore, you can create the correct polarity of the power supply on your existing radio.
Thanks to the memory function, you will no longer lose your stored data after switching off the ignition.
The terminal 15/PIN 4 (ignition plus + 12V) and terminal 30/PIN 7 (continuous plus + 12V) are variably plugged. This cable can also be used as an extension.