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Thread: Calling all XM experts... 2 antenna wires vs. 1

  1. #1
    FLAC Nola111's Avatar
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    Calling all XM experts... 2 antenna wires vs. 1

    Hi all,

    I read through all of the pages of the "XM Carputer Guide" thread... lots of great info, but didn't answer the question I have here:

    In my car, I've got an OEM XM tuner module (made by Delphi). The OEM antenna which came installed on the car when I bought it (sharkfin style on the roof) has two connections coming from it (which I understand is the older style). According to the technical wiring diagram of my car, the two wires coming from the antenna are labeled "Satellite Antenna" and Satellite Tuner Antenna." Doesn't help much, but in any case, since I won't be able to use the OEM module with my CarPC I got an XM PCR. The PCR has the newer single input for the antenna. See where I'm going? I want to use the antenna that's already on top of my car, but it has two outputs, and the PCR only has one input.

    So I do some searching around the net, and I found this:

    http://www.autotoys.com/x/cust/produ...productid=1089

    and I thought I had found my solution. Unfortunately, this converter is going the opposite direction that I need it to go (i.e. this converts an antenna with a single cable into two outputs to connect to older modules, such as the one I have in my car). Unfortunately I need it to go the other way.

    All that long-winded explanation for the simple question: does anyone know of a converter like the above that converts two antenna cables to one antenna input? Also, I can't imagine that this would just be as simple as just using only one of the wires coming from my OEM antenna, but check me if I'm wrong there.

    Thanks!~
    Nola

  2. #2
    Maximum Bitrate fixerofallthing's Avatar
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    I found this on an XM site.

    Measuring only 3/4" long, this handy little adapter will plug directly into the side of your XM2GO Delphi MyFi, Pioneer Airware, or Tao radio.

    Whether your existing XM Antenna has a single pink connector, dual yellow/green connectors (use yellow lead only), or any other XM Radio antenna connector, it will plug directly into the side of your XM2go with this adapter.

    I found it here, maybe you can try just the 1 wire thing.

    This may work also.
    The Car 2005 Scion xB

    The Truck 2004 GMC Canyon

  3. #3
    FLAC Nola111's Avatar
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    Fixerofallthing, you are the man! Thanks so much for that find.

    On your 2nd link, I also read this:

    "When deciding whether to use the green or yellow antenna lead from your older, two-lead style XM Satellite Radio antenna, try both, and use the one that gives you better performance. If the "antenna" message should appear on your Roady's display, use the other colored lead instead."

    Looks like I should be able to work it with just one. I'll let you know how it works out!

    Thanks again...

  4. #4
    Maximum Bitrate fixerofallthing's Avatar
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    No problem!! LMK
    The Car 2005 Scion xB

    The Truck 2004 GMC Canyon

  5. #5
    Low Bitrate 95rodeo's Avatar
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    i recently did an install on a 2006 passat 2.0t and used the factory sat. antenna with the pioneer sat i put in....guess what...the factory ant. in that car is the new style 1 wire and oddly enough it works with xm or sirius. im not 100 percent sure what the second wire was for but i suspect factory gps antenna.hope this helps. btw on his i snaked the wires through the little passthrough behind the passenger side rear seat and installed the tuner in the passenger side rear seat bolster and it fit in there pretty well. have fun... i really like the new passats

  6. #6
    FLAC Nola111's Avatar
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    Hey 95rodeo! We need to talk! You're the first person on here I've seen who has done an install on a 2006 Passat! That's great news on the XM deal. And actually the GPS antenna is integrated into the rear window and runs straight up to the headunit.

    So did you replace the headunit too? Did the car have the Dynaudio amp, or the standard setup?

  7. #7
    Low Bitrate 95rodeo's Avatar
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    sorry about not responding i forgot about this thread but it was dynaudio which just uses the regular speaker level wireing into the amp...one of the eaisiest amp intergrations ive done http://www.mywristwatches.com/passat.html
    i did all of his audio equipment and the factory fog lights. if you have questions and i forget to reply to this thread you can always pm me

  8. #8
    Maximum Bitrate pepsibobby's Avatar
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    I thank you Fix, with your help to Nola you answered my xm question as well. I appreciate it very much. Thank you.

    anyone know the antenna connection type on the XMPCR?
    Cant code cause I dont know how, but give me the paint bucket and my eraser and have at you!

  9. #9
    FLAC Nola111's Avatar
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    95, I'll PM you soon, I do have one question.

    Pepsi - the PCR antenna connector type is SMB.

  10. #10
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    Thumbs up Re: NAV & XM install on 06 Passat

    Just replaced the head unit (Premium 7) in my 06 Passat with a Pioneer Avic F700BT + required add-on XM module/receiver. Already an XM subscriber, I was hoping to use the shark fin as my antenna for the newly installed XM module, but here's what I encountered: On the back of the VW head unit were two antenna plugs: white and pale yellow. Above the white jack it was labeled "FM", and above the pale yellow jack was the "Ohm symbol" .. you know, the upside-down horseshoe. The antenna lead for the new XM unit looked like it would fit either jack, but did not .. so I used an antenna converter wire and jacked it into the white jack marked "FM" and used it for my AM/FM off the new Pioneer unit. I then used the supplied 'turtle' antennas for the new NAV and the new XM. The NAV antenna is behind the dash so it's out of site. However, the XM antenna is on my dashboard tucked against the windshield and does not work as good as the shark fin did. I'd love to s-can it for the roof fin ... any thoughts? By the way, I have Dynaudio and the Pioneer unit provides added punch to the speakers and it's a noticeable improvement over the stock head unit. The NAV works perfectly and the Bluetooth does the same. If you want pics, let me know!

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