have an old alpine 7982 and want to play

I have an older Alpine 7982 Cd radio that I want to hook up to my iphone 3G so I can play music. From what I've researched, I can use the 8 pin cd changer plug and buy an adapter to make this work? This is NOT an AI-net radio, as it's probably 10+ years old. I do not want to use an FM modulator, as I want the best sound possible.

Will this work?

[url]https:////ALPINE-M-BUS-8-PIN-TO-iPOD-INTERFACE-ADAPTER-CABLE_W0QQcmdZViewItemQQ_trksidZp3286Q2ec0Q2em14QQhashZitem4399f454ccQQitemZ290345735372QQptZCarQ5fAudioQ5fVideo[/url]

Also, is this needed?

[url]https://cgi./Alpine-Interface-Adapter-for-Ipod-KCA-4201_W0QQitemZ270457449820QQcmdZViewItemQQptZOther_MP3_Player_Accessories?hash=item3ef8852d5c&_trksid=p3286.c0.m14[/url]

So if I don't have any aux setting anywhere, it won't work? I thought it would work as long as I have the 8 pin cd changer cable on my unit. crap.

Here's an owner's manul that also works for this head unit.  See page 19.

https://vault.alpine-usa.com/products/documents/OM_CDA-7998.PDF

Yep, it's the 7982 model. Crap. So I'm out of luck? No way to hardwire something in or splice?

That deck does not support the M-Bus aux in adapter.  There were only a handful of decks that did support that part.

Crap, so there is no way to do this? No way to harwaire it into the 6 disc change plug somehow?

i am an idiot wrote:

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If you have a WORKING 6 disc M-Bus changer, you can make it happen. The changer is needed for the radio to communicate with.  That is the only way you can get that radio to switch to that input.  You would have to cut into the cable and get to the left and right signal cables.  Cut those 2 wires and wire up a relay to allow you to switch from the changer to the AUX input.  Without a working changer, there is no way to get that deck to switch to that input.  The radio has to be able to communicate with the changer in order to allow it to switch to that input.

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Since the M-Bus changers have just about all quit working because of the age of the laser pickup, I have thrown away my changer controller deck.  I do not need to test anything, but if you can connect it to your radio and it wiorks, we can make it happen. 

Let me know if the changer works. 

I have actually converted an AI Net cd changer cable into an AUX input cable just as you are wanting to do. I simply got a diagram of the plug itsself, found the correct wires you need (left+, right+, & summed-) and soldered them to some female Monster RCA plugs (so I can use my portable DVD player if I so choose), and then I used an RCA to 3.5mm headphone cable (Monster, also ) to use it with Mp3 players or whatever I want. I am still using it for my Mp3 player to this day and it works great.

I did try to use it on an older Alpine deck shortly after I 'made' it, but that particular HU did not have AUX input capabilities so it did not work. I also tried to use it in CD changer mode, but I couldn't get it to work. I do not remember what the model # of that stereo was, but it was a 79-something.

I think you're out of luck...

According to the reading I did, that device will do what you want it to do.  It clearly states that it will work with or without a changer attached. 

The only problem is you have an Alpine deck, not a Honda.  There is one wire that needs to be moved on the plug to make it compatible with an Alpine radio.  You may want to contact them and see if they can modify it to work with an Alpine deck.