So... after surfing all the .net sites, I am led to believe that the "original" Volvo CD changer is made by Alpine. So... considering this to be a shoe-in, I go to the local audio store and purchase a S630 (upgrade to the OEM), pull the panels in the wagon rear left to find the pre-wired connectors and lo... there it is, a Male mini-DIN 8-pin. Too bad the Alpine (with required adapter) too has a, you got it, Male mini-DIN 8-pin. Many phone calls later reveal that "No, nothing like that ((female to female)) is available. So... (grumble, grumble), if the changer is made to "fit" with the original, how come it doesn't? The solution: (as offered by the experts), plug the adapter into the radio, connect the l o n g cable and run it to the rear, preferably alongside the existing, pre-wired cable. Redundant? Hopefully, all the carpet and trim pieces will cooperate.

yep volvo had alpine specifically change the conenctor type...you need a alpine cable and a voalp converter...dead easy to install and run the cable...couple of hours start to finish inc mounting the changer...

or you can buy a volvo changer...

I put a Alpine CD changer in my 1994 850. It wasn't pre-wired, so had to run the Alpine cable to the trunk. I did have to get an adapter to plug into the Volvo factory head unit. It was a mini-DIN. I got the adapter from PIE (Precision Interface Electronics) You might want to contact them at PIE.net and see if they could help.