67725X719 Interface Lead Opel/Vauxhall with CD30/40/70 radio Line-in lead Compatible with 3G adaptors

67725X719 Interface Lead Opel/Vauxhall with CD30/40/70radio Line-in lead Compatible with 3G adaptors Cellular radio mute leads and Interface leads are designed to interface between the vehicles audio system and the hands-free car kit. With a cellular mute lead, also known as a telemute lead, this connection can be achieved without the need to cut or damage the vehicles wiring harness. The lead will also mute the vehicles audio system when a call is received and direct the call through the vehicles front speakers. When the call is completed the vehicles audio system returns to normal.