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  1. [Astra Mk5/H] [04-09] CDMP3 pin voltages

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    Hi All. I am a newbie on here so please forgive my knowledge! Could you help me? I have recently taken out my head unit. It is the Delphi Grundig version. As I am wiring in a bluetooth device, I am wanting to know what voltage pin 11 (Tel Mute) requires to activate. I assume its either +12V or...