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Hi, i have recently changed the cd6000 stereo in my ford focus for a new blaupunkt stereo sat nav. Everything is fine except the button dont light up when i put the lights on and the screen doesn't dim. If i have the engine off and turn the stereo on, it lights up fine but start the engine and they go off. I've looked at the data for the unit and these two aspects are controlled by the data network. What can i do to get it to work.
The screen dims only if your dash lights are dimmed. Try turning the lights on and dimming the dash lights, and the screen should dim at the same time.

Not sure how you can sort the other issue as it sounds like it may be linked to the cars GEM unit which needs to be programmed.

Is everything else working as the Focus's that were built with the unit in have a larger display between the dials which also gives you the next turn so you dont have to look at the main screen?

Also, where did you put the satnav receiver?

The unit is also part of the comms pack which includes voice control. Have you got that working with it?
The wiring should be the same , so i can't see any reason for it not to work , there is a screen setting brightness which can then be controlled via the dim switch on the lights.

So if i read this right.
When you turn stereo on with out ignition, it lights up , and when you turn ignition on the butoon lights go off?

If this is happening then maybe the wire feed from the lights is different, perhaps get a tester and test live feeds at the back and find the feed that should trigger the lights
Preee, The wiring and the plug at the back of the stereo is exactly the same. I put the old 6000cd unit back in and tried it to see if a fuse may have gone and that lights up fine when the lights are turned on. I put the blaupunkt unit back in and it is still the same.

I've checked the wiring diagram and it should be the same wire that triggers the lights.

BTmaldon, By receiver, i presume you mean aerial, i put this on the dash in the corner, it works fine, the satnav, cd, radio, just cant see the front of the stereo at night. I'm sure i checked the dimming of the lights setting but i'll check again. From what i can see though, both are controlled by the data network so i presume this is the car computer. Perhaps your right and it needs programming to the car.

Will ford do this?
That seems very strange , maybe the radio has a fault on that input and as it see's a live(ie lights) it is not getting the signal .I have the FX and i tried a friends Sony 6006 in mine and there was no difference in lighting or otherwise.
Get a sharp point in the connector and push the trigger wire out so its not connecting.
If you have tested it and there is a trigger when you turn ign on then i would say the radio is at fault and not the GEM
I'd agree, the radio connections are at fault not the car.
Well you have me wondering now as the stereo was brand new, even came with the code still fastened to it on a tear off strip. I phoned fords technical line at £1 a minute and they said it may want coding to the IDS. Don't know what that is but don't want to waste my money paying for that when the problem may be the stereo. I might just have to bite the bulletm

raggydoll did you manage to solve this problem?  I have a similar scenario.  I have a 2008 Focus ST-2 with Blaupunkt sat nav.  The unit failed so I swapped it out for one which had come out of a 2010 Kuga.  The unit is a slightly newer version of the same model (memory card for maps instead of dvd) and all connections are the same.  However, I get the issue with only some of the buttons lighting up and the dimming working in reverse; lights on - display dimmed; lights off - display bright.  Only some of the integrated sat nav functions work too.  My local Ford dealer was clueless.  It does sound like it needs to be configured to the car - so perhaps IDS programming is the way.  I think the Ford dealers interest was zero because they had preferred to charge me over £2k for a replacement unit, so when I sourced my own, they lost interest.  Most stuff works - sat nav, radio, cd; just air con and button lights/display dimming that's not.  Any help/advice greatly appreciated.

You have the wrong type of Blaupunkt radio.

The radio may look the same but is technically a bit different. On the Focus MK2.5 version the illumination of the radio is illuminated by applying 12 V to the illumination pin of the radio. On the Blaukunkt radio's of some other Ford models the illumination of the radio is illuminated by a CAN-bus signal.

Because the Focus MK2.5 does not have the CAN-bus signal to illuminate the Blaupunkt radio's of some other Ford models it will simply not function correctly.

The Climate control system has basically the same problem. The CAN-bus signal of the car is not compatible with the CAN-bus system of the radio.

Hello guys,


Do you have any updates about this issue? I am facing the same problem and was wondering if there are any solutions to this, other than disabling the "12V Ignition Live" wire (that coming with the manual on/off for the unit and with the lack of the auto-dimming adjustement for the display/buttons backlight; and of course, auto-off after every hour).


@JW1982: is it possible to update the car's computer firmware or something like that, so the mk2/mk2.5 Focus to be able to send this CAN-bus signal?


Thank you,


This problem can only be solved by using the correct type of Blaupunkt radio. A Blaupunkt radio from another Ford model is simply not compatible to the Focus MK2/MK2.5. Modifying the wiring will not solve this problem.

It is not possible to solve this problem by updating the firmware. There simply is no firmware available which solves this problem. There are communication differences between the different Ford models. The communication protocol of a Mondeo MK4 and S-max/Galaxy is different from the Focus MK2/MK2.5. The radio for example is not even connected to the same CANbus network. On a Mondeo MK4 and S-max/Galaxy the radio is connected to the MM-CANbus (Multimedia CANbus) network. On a Focus MK2/MK2.5 the radio is connected to the MS-CANbus (Mid Speed CANbus) network.

Thank you for your answer, @JW1982!


You have the wrong type of Blaupunkt radio.

The radio may look the same but is technically a bit different.


So, I guess there is no way to write the SW from a Focus unit to the Mondeo 4 unit...

If not, do you think there is a way to somehow activate the backlight of the buttons with the player start or with the headlights?




I have another question, if I may: once with the audio player, I had also changed the climatronic controls (EATC?), too, on a Focus mk2 with the ones from mk2.5 (these with these).


Everything works great with these (including the buttons backlight :D), except the fact that the fan speed output of the unit is inverted (so, if the unit says speed=7, the car understands speed=1 and if the unit says speed=1, the car understands speed=7). That means I cannot use the Auto function anymore :(.


Tried the "diag&reset" of the unit, the one with "press Floor + OFF buttons, then Auto to enter calibration mode", but nothing changed. Do you know wether this can be programmed via IDS? Or maybe there are two pins that have to be inverted, but I can't find the pinout for these two sockets. Any help would be appreciated.


Thanks again!

It is not possible to change the radio firmware for the Focus MK2/MK2.5 Blaupunkt firmware. These radio's are technically different. It is not only a matter of different firmware. in my opinion there is no easy solution for this problem. The easiest solution is changing the radio for the correct type.

The EATC system of the early MK2 is a bit different from the EATC system of the late MK2 and MK2.5. The biggest difference is the reversed fan speed control. The easiest way to solve this is by installing an additional electronic circuit. on the Russian forum can be found a lot of information about this subject. Some time ago I translated the Russian circuitry to English. The circuit should look like this:


Thanks again for the quick answer!


Can you please tell me on which pins should this circuit be inserted? Or if you can, please provide the russian forum link.




More information about the fan speed control circuit can be found on the following website:

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