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I have looked at the PCM 2 pinout diagram and notice that there is a Microphone hook signal wire on it. Is this were you would tap into for a MUTE feature? I have a IHF1000 that came installed in my 04 CTT but of course it does not mute the stereo. Is there a way to take the MUTE signal from the Motorola unit and hook it up to the PCM? It has the BOSE package with the MOST fiber running to the amps of course. I would just like to know if it is worth buying this cable to have that feature - Bluetooth Radio Adapter

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  • 3 weeks later...

Try the telephone mute and the E Handy telephone connector.See sheet 19 - Telephone Prep.

Thanks for the reply. What sheet 19 and E Handy telephone connector are you referring to? Also my PCM is WITHOUT the telephone feature so will this even be possible to do?

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Just tried this out. IT WORKS.... I just jabbed in a wire to test it in the A plug (bottom one on back of PCM 2 pin A3). Called the wife and the radio said TELEPHONE IN USE and muted the radio. :) Ended the call and 2 seconds later radio back playing some tune.

Thanks for your help Loren. When I get a chance I will post up some piks and a write up for those that want bluetooth adapters installed in their cars and the radio to mute. I know its just a lazy way to turn down the volume but it is HANDS FREE after all.

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