InCar Tec 20-186-IGN VW Quadlock to ISO Radio Adapter Harness, ...
VW ,Vauxhall quadlock to ISO radio adapter harness, with CANbus ignition and antenna adapter - InCarTec
Car Stereo Radio Iso Standard Wiring Harness Connector Adapter Plug Cable For Audi Navigation With Quadlock Connection - Cables, Adapters & Sockets - AliExpress
EODA ISO to Quadlock Canbus Adapter Conversion Cable Upgrade RCD330 RCD510 : Amazon.in: Electronics