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I really didn't have time to look today, plus Porsche doesn't show the internals of their modules on the tech manuals, however, the infotainment CAN is not hooked directly to the steering wheel control module. From what I seen, was that the signals from the switch are in the CAN comfort bus, which is translated in the instrument cluster over to the CAN infotainment bus and behind the radio.
If you do not have the BOSE system then you can just hook up the speakers to the aftemarket radio, if you have the BOSE system then it is on the fiber optic line and you will need to add an amp.
As far as getting the steering wheel controls for the radio, I seen that the horn and airbag have their own dedicated wires, but did not see the dedicated wires for the push buttons of the radio. If, and I say if because I really didn't have the time to research further, that the 2 wires listed as steering wheel data are for the controls, THEN... to test I would disconnect the two data wires, and see if anything else was affected. if not, I would hook up a scope and start pressing the buttons to see what the resistance of each switch is and then hook up a PAC universal steering wheel control via the resistor pack.
Again, I did not research it heavily, the two wires I was referring to were in the steering wheel control module, and in the F plug.
hope that helps, that is really as far as I can go on this unless I have the vehicle in front of me.
Jim
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Many thanks. I do have Bose, so will need to replace the amp. I'll get to it this week and let you know what I find.
Hey keep us updated!! I have a cd23 in my 05 S and still have my double din eclipse nav from my old car. If its just a matter of installing a 6 channel amp and slapping the unit in, I would do it in a heart beat. Thanks for the great input guys!
Along the vain of this thread, I have been looking at a 2008 or 2009 cayenne without the pcm or Bose but considering adding the Kenwood system with gps, xm... or just adding a XM kit to the existing unit. Do any of you know what will be required to add the XM antenna? I think that I have read that porsche puts them in the rear spoiler at the factory? If so, do they all have them in the spoiler or will I have to add an antenna? Any other advice?
Any of you have pictures of your aftermarket installations (Kenwood or anything else)? I have a CDR23 that I'd like to add satellite and ipod functionality to and would like to just change the head unit..
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07 997 S Cab (Basalt Black/Natural Brown)
05 Cayenne S (Grey/Grey)
Hey keep us updated!! I have a cd23 in my 05 S and still have my double din eclipse nav from my old car. If its just a matter of installing a 6 channel amp and slapping the unit in, I would do it in a heart beat. Thanks for the great input guys!
Any updates? Is this even possible?? Any how to's maybe??
Thanks guys!
Any of you have pictures of your aftermarket installations (Kenwood or anything else)? I have a CDR23 that I'd like to add satellite and ipod functionality to and would like to just change the head unit..
Not for audio information, once the aftermarket goes in, it gets coded for no radio in the gateway and cluster that way there is no blank screen for audio on the cluster. Need to use the Porsche computer for it though. I know Kenwood is coming out with a nice voice activated unit soon.
Linear Mode
