Question about Power Acoustik Efm 01 Pll Fm Modulator

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Efm 01 pll fm modulator gives me lots of engine noise how can i f

How can I stop engine noise with the efm 01 pll fm modulator?

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When a audio device is powered by the same (car battery) power supply then
use a ground loop isolator.


Posted on Jun 13, 2009

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You can try running a new ground wire from the ground of the car it self. but hook it up to the ground of the RCA plug and that thould stop the noise

Posted on Nov 15, 2008

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2000 delco Toyota radio schematic


Anonymous,
Go to
http://www.the12volt.com/
Look at the top under "Vehicle Wiring" and search for your car.
Press the tab that says "Car Stereo" and Presto, lots of good information. I hope this helps, Ray

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How do I install :Audiovox FM Modulator EA FMM100A? I have a 2007 Nissan Versa S hatchback. I already know how to take out the radio. What plugs into what?


you should only have two wires red which is power and black which isground then all ya do is plug the antenna into it then tune the radio into it

Aug 08, 2010 | Audiovox FM Modulator EA FMM100A

1 Answer

Am reception works fine until car is started and then you start to hear engine noise over the radio.fm reception is not affected.


sounds like you need a capacitor, this is a common problem with stereo's, especially when an amplifier is installed, and if you listen to AM radio a lot, it may be a good investment. They're pretty inexpensive, if I recall, generally a cheap one is under $30 dollars!

Jan 26, 2010 | Car Audio & Video

1 Answer

HOW TO INSTALL FM MODULATOR ON HONDA ODYSSEY 2003 EXL


You simply need power, ground, and remote turn on (switched) - these can be obtained 9tapped into) from the back of the radio.

RADIO 12V white/blue
RADIO GROUND black
RADIO SWITCHED white/red


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Dec 02, 2009 | Pyle FM Modulator For Mobile DVD's - PLMD2

1 Answer

What is a digital pll fm modulator


Hello towturtle,

An FM modulator is a little box that plugs into your receiver antenna connection. It sends a low-level signal directly to the radio which you then tune in on the FM band just like a radio station. They're handy for older receivers that do not have AUX, USB, or iPod inputs. You plug your device into the modulator and it plays through the receiver. The "PLL" just means that the tuning uses a technology called "phased lock loop" which keeps the frequency from drifting.

Hope this helps.

Oct 14, 2009 | Car Audio & Video

1 Answer

How do you install this thing


Hello cmiller23606,

It installs in a Toyota Yaris or any other vehicle exactly the same way. The device is an FM modulator and has no vehicle specific wiring. You do need a 12V source from the vehicle and a ground connection as well as access to the radio antenna jack.

Connect power and ground to the 40" wire with the inline switch. Be sure to observe polarity. Piggyback the modulator directly onto your in dash receiver by removing the antenna lead from the receiver and plugging it into the FMMOD01. Then run the 21" cable from the modulator to the now vacant receiver antenna jack. Mount it with screws, double sided tape, plastic wire ties, velcro, or permanent glue. Using the side-mounted slide switch, select an FM frequency of either 87.9 or 88.3, plug a source (CD player, minidisc, videocassette or DVD player, iPod, MP3 player, or any other source with a minijack or headphone output).

Tune your in dash receiver to the selected FM frequency and you're ready to go.

Hope this helps.

Aug 08, 2009 | Scosche Industries Scosche Audio...

1 Answer

Connecting an MP3 player to car radio


The most common way is to use the auxiliary input of the deck or head unit. However I don't believe the JVC model you have has one of these. Don't despair though. Head to your local department store with a music department and pick up a universal FM modulator ($20-$30).

These will 'pretend' to be an FM radio station inside your vehicle. Attach the stereo mini plug to your walkman or other audio device (mp3 player etc.) Then tune the FM Radio to the fm station listed on the FM modulator and you will be able to listen to the device through your car stereo speakers. Now this isn't as clean as a direct hookup but for most its an economical way to listen to alternate sources on your Car Stereo.

Jul 07, 2009 | Sony Car Audio & Video

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Radio in my ford fiesta Reg 51, 2001 has stopped working.


it seem like a problem with the internal tuner. Somehow it detects diffrent frequency now, i am not familiar with frequency used in aircrafts, but I would gues they use higher frequency that FM bandwith. Capacitor lessen in value when they fail, so that would cause the local oscillator in your radio to detect higher frequency. As far as fixing them you would have to be an expert in radio comunication electronics. I for one a novice when it comes to how demodulation processes work and all that. Best solution is to put another radio, or you can take it to a CB shop. They maybe able to fix that. CB shops are usually around truck stops, because they service the CB radios that truckers use.

Jun 30, 2009 | Car Audio & Video

1 Answer

Technika FM In-Car Transmitter loud low frequency hum


This humming noise is the cause of a bad ground. try a new grounding location. The shorter the ground wire the better. Make sure the connection is metal to metal. I have had the same problem out of competition systems. Good Luck

Jul 20, 2008 | Car Audio & Video

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