MK4/B5.5 Quadlock to ISO radio adapter kit. This is a complete kit for installing the newer OEM ISO plug radios such as the RMT100 (City), RMT100+ (Clasico), MFD, Gamma/Beta, and others. Includes a properly wired Quadlock to ISO adapter harness, 1.5 meter long labeled wires to run for ignition power and dimmer power (these radios do not support CANBus for these functions), Add-A-Fuse and wire splice, and FAKRA to DIN antenna adapter.