4-wire headset wiring on Nokia car kit

Archived from groups: alt.cellular.nokia (More info?)

"Don" <reply.to.group@saynotospam.com> wrote in message news:9UiRc.247360$JR4.106819@attbi_s54...
> I have an old Nokia handsfree kits that was designed to work with an 8250 -
> 8260 - 8265 etc. It has a charging connector and a headset connector on a
> Y-cable that comes from a cigarette lighter plugin speaker - amplifier -
> microphone. I want to use this on a newer phone with the standard 3-wire
> headset connector, and while the car kit headset connector is the right
> size, it has 4 contacts. Can anyone tell me the wiring of this 4-wire plug
> so I can cut it off and splice in a standard 3-wire plug?
>
> Don
>
Look here: http://free-zg.htnet.hr/GoranJurkovic/nokia/
But before you cut anything, consider getting an adapter.