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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 06-08-2004, 01:34 AM   #1
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Default XM Delphi Sky-fi FM Modulator with my Audiovox PNP2?

I already have the XM Delphi Sky-fi car kit and FM modulator installed in my van. I just purchased the AV PNP2 with car cradle/built in FM modulator. When using the AV I get an annoying whistle. I am guessing that it is due to full power FM stations operating on or next to ALL of the 4 available channels. I don't have this problem with my XM Delphi Sky-fi which I am assuming is because the FM modulator will go all the way down to 87.9 FM which is clear of all interference in my area. Is there any way to safely hook up my AV PNP2 to the Sky-fi FM modulator? I've been scared to experiment for fear I might damage either system?

I love the Sirius programming a WHOLE lot better than XM's...but am ready to pull my hair out over the whistle in the audio.
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Old 06-08-2004, 01:49 AM   #2
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Many on this board have had great success with the SIRSWB wired FM moduator connection. If you decide not to go that route, there was an interesting modification that involves some delicate handywork to pull off. You can read the details here:

I hope this helps you. I know how frustrating poor sound quality can be.
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Old 06-08-2004, 07:04 AM   #3
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XM Delphi Sky-fi FM Modulator with my Audiovox PNP2?
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This is pretty common, so it sounds like you need to purchase the Audiovox SIRSWB. This is basically a hardwired FM Mod. It work by connecting to the FM Out on the cradle and hooked directly to your stock radio. It does not work with all stock radios, so you may want to contact Audiovox. I think this part is like $20.00.

Audiovox number

Its really pretty simple to hook up, but it will require that you have access to the back of your stock radio. If you aren't technically inclined, you could have an audio shop do it for you, but of course they will charge you. It will be worth it for the much better SQ.

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Old 06-12-2004, 11:19 PM   #4
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Default You CAN use the XM FM Modulator with the AV PNP2!

It might not be pretty right now, but I made it work. I took the audio cable that hooks the Sky-fi car cradle to the XM FM modulator and plugged it into the audio out port of the AV PNP2 car cradle. Dialed up the AV menu and turned the AV FM modulator off. The only bummer is that the Sky-fi receiver has to be powered up in order to power up the XM FM modulator, but the AV PNP2 plays through it with no problem and sounds like a million dollars! No more whistle! To listen to my XM Sky-fi (which I rarely do since getting Sirius) I just have to move the audio out cable.

My next step will be to find a A/B audio switch so that I don't have to keep unplugging and moving the audio input to the XM FM modulator.
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Old 06-15-2004, 02:53 AM   #5
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good idea I should try that

I wonder if I could have my MP3 player to play that way to??

I bet it would work.
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