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Install Garage & Help Desk You've got the radio, now which cable goes where? Got questions about factory installed radios in your car? Ask any installation or help questions here and someone will get to you soon.

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Old 12-27-2006, 10:07 PM   #1
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Default Sirius static using FM transmitter

I just received a Sportster 4 for Christmas. I have only had it activated for less than 2 days, and so far I'd rate the audio quality as POOR with the FM transmitter.

I connected it to my home stereo with the cable that came with it, and it sounds good. But when I tried to use it in my car with the FM transmitter, I get a lot of static. I tried various stations, and I get more static on some, and less on others.

In reading some posts, I see a FM extender, and Sirius recomends the FM modulator. What is the best way to go? I plan on using it in 3-4 different cars, and maybe my boat. What it the best set up?


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Old 12-27-2006, 10:18 PM   #2
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So I'm guessing that you are going to buy 3 or 4 different car kits? You have two options IMO. Hardwire them all, or look online for a pre-FCC radio that can be easily transferred via lazy installs. The FM modulator is much stronger and is a lot easier to install.
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Old 12-27-2006, 11:07 PM   #3
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Default Static

Thanks. I did order 3 car kits from Sirius. I have a 2000 pontiac grand prix, with the antenna in the rear glass, and the reception on AM/FM is poor at best. So the FM transmitter isn't much better. I'm sure it'll be a real pain to get to the antenna connection on the radio. I may try and see if there is one in the trunk.

On My Miata, there is a connection in the trunk, and I have the tools to get the radio out of my F250 truck. I tried it in my wife's 2005 Taurus, and it was pretty bad too, but her antenna on this car is int he rear, so I may end up with a 4th kit for her car, and try and tap into the antenna in the trunk. I know on some of the Visteon/Ford radios, they were looking at putting the radio receiver in the trunk, with just the controls up front.

In any event, this does sound like it'll be a pain in the knuckles.
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Old 12-27-2006, 11:13 PM   #4
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I had that static issue as well, what I did was unscrew my terrestial antenna and the quality was MUCH improved, it's not like I'd be listening to anything but Sirius now so I wasn't worried about it, and worst case, you can just screw it back in. Just my two cents on the matter.
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Old 12-27-2006, 11:38 PM   #5
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Sirius static using FM transmitter
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the FM relay (it's not a modulator) is the way to go if you aren't able to connect directly to the stereos in your various cars. It will require pulling the radios to install, and also may require adapters if your stereos don't have the standard morotola connector on their FM antennas. It's more work and more expense, BUT you will be rewarded with better sound quality and with never having to worry about interference from FM radio stations. here is a link:

It goes under various names, but it looks like they are currently calling it the "FM Direct" kit. People sometimes call it the FM Modulator but all it is is a switch. The actual modulator is in the sirius tuner. I was reading about that FM extender today and it looks like a really jerry-rigged deal that may or may not solve your problems.

just my 2 cents...
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