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Hello!<br> When I tried to change a radio on my MB 190E 1990 on radio from ML-320,<br> I receved a message 'PHONE' when I typed anti-threft code. Probably I<br> have wrong connection. Right?<br> Does anyone know when I can find manual on Radio from MB ML-320?<br> <br> Thanks
 

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Yes. You tapped the phone ground wire..

Search this forum for 'Pin-out' This should give you the proper pin-outs for the ML radio. This wire is intended to mute the stereo when the phone rings. It is activated when a (-) ground current is given to this wire.
 
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