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Car stereo question (Explain Sirius -> FM to me)

FeralFeral MEMETICHARIZARDinterior crocodile alligator ⇔ ǝɹʇɐǝɥʇ ǝᴉʌoɯ ʇǝloɹʌǝɥɔ ɐ ǝʌᴉɹp ᴉRegistered User regular
edited September 2007 in Help / Advice Forum
Here's the story:

I just bought a used car (2004 Jetta) through a dealership and whoever the prior owner was had a Sirius radio mount installed. The mount has three leads: one going to the trunk for the Sirius antenna, one going under the dash for the power, and one going under the dash that says "FM OUT." (It's still the factory VW stereo, not an aftermarket stereo. There is no line-in port or CD changer control.)

Can somebody explain this to me? I assume that what's going on is the Sirius involves an FM transmitter and that's how you listen to Sirius on an older car... but why the outgoing wire? Is it an antenna? Does it lead to an antenna under the dash? Would it connect up with the stock stereo somewhere?

Here's why I'm asking. I don't care about Sirius, but I'm thinking about using the FM OUT wire for an iPod FM transmitter instead, if that's feasible.

every person who doesn't like an acquired taste always seems to think everyone who likes it is faking it. it should be an official fallacy.

the "no true scotch man" fallacy.
Feral on

Posts

  • TenderTender Registered User regular
    edited September 2007
    I have a Sirius reciever similar to what your talking about and the third port on mine is basically a aux out so that you can run the reciever thru a cassette deck or a aux input on your car radio.

    The FM transmitter is actually built inside the reciever so nothing like an antenna is needed there.

    Tender on
  • EggyToastEggyToast Jersey CityRegistered User regular
    edited September 2007
    If it's a wire, I'm wondering if it's hardwired to override the FM signal.

    EggyToast on
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  • FeralFeral MEMETICHARIZARD interior crocodile alligator ⇔ ǝɹʇɐǝɥʇ ǝᴉʌoɯ ʇǝloɹʌǝɥɔ ɐ ǝʌᴉɹp ᴉRegistered User regular
    edited September 2007
    mcdermott, that was amazingly helpful.

    The only reason I'm considering doing it this way at all is because the Jetta "Monsoon" stereo is apparently pretty heavily integrated with the engine computer and replacing it with an aftermarket stereo is difficult and requires extra hardware to make sure everything still works properly. So I'm not going to be adding head unit with iPod support anytime soon.

    So, yeah, with that information I might be able to hack something together.

    Feral on
    every person who doesn't like an acquired taste always seems to think everyone who likes it is faking it. it should be an official fallacy.

    the "no true scotch man" fallacy.
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