Concert radio bluetooth adaptor issue

The answer to all those who don't wish to struggle, ask@timmus nicely. Had mine fitted yesterday and it functions with perfection. The microphone is positioned with extreme discretion in the top r/h corner of the screen with the headlining unaffected.
 
simon martyn said:
Just a footnote to my previous post: The kit supplied by @timmus is absolutely not to be confused with the "cheap and cheerful" rubbish supplied elsewhere.
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Yes indeed, he provides top quality service and product. No question. I tried the cheap Chinese one first, and of course, it didn't fit or work. The Bluemusic+ one however, is German (made in China?!) and is not the cheapest, but works absolutely perfectly for those that are unable to use Timmus.
 
Hi all, back to this post after starting back in October. I had other more pressing parts required for the A2 so I had put off buying the Bluemusic adaptor until recently.
I had some trim removed from fitting the cruise control, so that meant routing for the hands free mic was simple, and the connections for the music adaptor are simply plug in.
Like everyone else has said its a great bit of kit, the sound of the original stereo is great and really didn't want to loose the factory look.

A brilliant little upgrade.
 
3wheeler said:
I extended the mic with a lead off Amazon. I then removed the headliner, and fitted mine up the A-pillar into the overhead console's dedicated grille. It works perfectly
Click to expand...
fwiw I installed a Bluemusic setup today, with the microphone in the overhead console where there is an opening, and the cable was just long enough to reach the module without extension (not a spare inch) - I then drilled a small hole near the rear of the small central tray above the ashtray to route the usb and aux cables, and they reach the top of the dash above where my phone would seat when in use...
The only tricky step was to manoeuver a guide above the headliner, the trick was to shine light through the shade fastener hole for guidance from the center console, then the cable can run under the rubber hiding the pillar trim down towards the fuse box, then straight to the autoradio above the steering.
 
I was looking at this same issue today. I can connect to the bluetooth but my Chorus unit just says 'No tape'

My suspicion is that the 'switch' looking input top (top middle) is required to tell the unit that the "cd changer" is turned on.

Would need to compare the blue plug on one of the 'better' harnesses to be sure

1740085665655.png
 
If it's a Chorus II, you need to press the CC/CD button, bottom left of facia, to select the changer, which is what the adapter emulates.
If that doesn't work, the Chorus needs coding, (VCDS or similar), for CD Changer.
Mac
 
PlasticMac said:
If it's a Chorus II, you need to press the CC/CD button, bottom left of facia, to select the changer, which is what the adapter emulates.
If that doesn't work, the Chorus needs coding, (VCDS or similar), for CD Changer.
Mac
Click to expand...

What I mean in this instance, is that from prior experience the unit won't usually allow selection of the CDC unless it indicates it is present, which appears to be what that pin could be for.

This would also suggest why users have success with the Bluemusic harness (with what looks like a yellow wire here) but not these imitations, where coding is not what solves it
 
jaax said:
What I mean in this instance, is that from prior experience the unit won't usually allow selection of the CDC unless it indicates it is present, which appears to be what that pin could be for.

This would also suggest why users have success with the Bluemusic harness (with what looks like a yellow wire here) but not these imitations, where coding is not what solves it
Click to expand...
If the Chorus is not coded for a CD Changer, then the Chorus will not "look" for a CD Changer.
I think that's the most likely scenario.
The + switch is, I think, a switched 12V output from the Chorus, not an input.
Mac.
 
jaax said:
What I mean in this instance, is that from prior experience the unit won't usually allow selection of the CDC unless it indicates it is present, which appears to be what that pin could be for.

This would also suggest why users have success with the Bluemusic harness (with what looks like a yellow wire here) but not these imitations, where coding is not what solves it
Click to expand...
from the ISO pinout description it appears that the switched pin #16 is a switched power (0.3A max current) - for it to induce such a behavior as you describe from Chorus2 would entail that the head is programmed to that end (for comparison, iirc the Concert2 has rather a setup mode of sorts which enables to browse through possible inputs, from which is it possible to select CD or even Aux, which would not draw constant current)


ISO CD plug pinout.jpg


edit: had to replace the table by a screenshot, somehow the table looked fine when editing but got partly dismanteld when saved into a reply...
 
Last edited:
NicM said:
... from the ISO pinout description it appears that the switched pin #16 is a switched power (0.3A max current) ...
Click to expand...
The switched 12 volts supplies the BT adapter, which works.
The radio just doesn't seem to recognise the BT adapter, so a check on the coding is the place to start, before getting in too deep.
Mac.
 
NicM said:
fwiw I installed a Bluemusic setup today, with the microphone in the overhead console where there is an opening, and the cable was just long enough to reach the module without extension (not a spare inch) - I then drilled a small hole near the rear of the small central tray above the ashtray to route the usb and aux cables, and they reach the top of the dash above where my phone would seat when in use...
The only tricky step was to manoeuver a guide above the headliner, the trick was to shine light through the shade fastener hole for guidance from the center console, then the cable can run under the rubber hiding the pillar trim down towards the fuse box, then straight to the autoradio above the steering.
Click to expand...
Yes I purchased an extension from Amazon for the mic wire.
 
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