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Discussion Starter · #1 ·
Hi all,

FINALLY got my adaptor harness from Kufatec and installed it - the Nav looks great.

I have recoded the unit (it was an 8E0 unit) for my A4 Cabriolet to 0403113 (I have a CD changer, but no BOSE or anything else).

Though I can hear the nav lady fine, I get no sound from the radio, CD or MP3s! The volume symbol is there but with a slash through it (it sort of intermittently shows up the disappears). The weird thing is that while I was VAGging the stuff like the tyre circumference etc, the sound came on for a about two seconds and then went off. I was thinking it was just muted, so clicked the vol knob - but nothing happens! All I get is this light hiss (punctuated by the odd click when I am connected to the nav with VAG-COM). The CAN is OK - I get the DIS display, speed signal and everything else. The Nav lady's vol can be adjusted with the volume knob while she's speaking (and the unit can be turned on and off) suggesting the knob is OK.

Any ideas? This car will be a boring place with no sounds!! :(
 

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Discussion Starter · #2 ·
This has got to be a first - filling up with gas fixed my problem :lol:

Seriously - when I filled up with gas of course the yellow 'low fuel' message disappeared leaving way for my radio info again....

...which was showing 'PHONE'! Now I know where to look and what the fault is.
 

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Make sure that your TEL MUTE wire does not connect to your radio connector III, pin 2 (the black 8 pin plug). This will cause your TEL-MUTE pin to be grounded which will cause your problem. My harness was wired this way when I bought it. This connection would be right for some older symphony/concert radios, but not for newer ones.
 

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NSX JR said:
Make sure that your TEL MUTE wire does not connect to your radio connector III, pin 2 (the black 8 pin plug). This will cause your TEL-MUTE pin to be grounded which will cause your problem. My harness was wired this way when I bought it. This connection would be right for some older symphony/concert radios, but not for newer ones.
I agree with this assessment. Look for the Speaker symbol with a slash through it in the bottom of the screen. If it is there, the phone mute is active.
 

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Discussion Starter · #5 ·
OK - cool.

Now all sorted - it was just a short as it turns out. :oops:

When installing my phone kit, it looks as if my ancient Nokia system puts out 12v instead of ground on its 'mute' wire which means I can't get the nav to mute when the phone rings. When I touch this blue wire to the 'TEL MUTE' and make a call, nothing happens. :roll:

Fortunately my Nokia box it has a weird relay box with it which switches audio to the front speakers meaning I can still use it - would have liked it working properly though. :?
 
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