Wiring Harness Adapter for Ford Galaxy 1995 - 2006 ISO Stereo Plug Adaptor: This wiring harness is required to connect an after-market stereo withs standard ISO connectors to your vehicle specific wiring. The wiring harness adapter does not require any wire cutting, soldering or other assembly. It is completely Plug & Play. ISO Wiring Harness Adapter Lead: ISO car stereo wiring harness adaptor connectors ISO wiring harness adapter lead is required to connect an after-market stereo to your vehicle. The wiring harness helps adapt your vehicle specific wiring and set of connectors to a set of standard ISO connectors that fit on after-market stereos and head units.