Wiring Harness Adaptor + Antenna Adaptor DIN This wiring harness adaptor is required to replace factory fitted radio with an aftermarket headunit. It will convert the car original power and speakers wiring connector to a standard ISO connector for your new aftermarket radio.. An Aerial Adaptor is needed when replacing the original factory fitted head unit with an aftermarket car radio. Without the right aerial adapter you have a poor radio reception. Boosts signal strengh, improving reception Vauxhall Corsa D 2006 onwards Aerial amplifier SIGNAL SEPARATION FILTER FAKRA-DIN |