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Hi,<br>
<br>
I have been unsuccessful in getting good sound quality out of an FM modulator in my C240. I even installed a line driver (Phoenix Gold PLD1) between my music source (MP3 player) and the JVC Modulator. This improved quality and volume but is still not acceptable. I believe that the C240 head unit is designed to work with boosted FM signals, and that the FM Modulator is just not capable of providing output at that level without unacceptable distortion. What I want to do is to install the FM modulator between the rear windshield antenna and the antenna booster, so that the FM modulator's output is boosted as well. I would appreciate any pointers on where to locate the booster and on how to intercept the connection between the antenna and the booster. Thanks.<br>
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Jules<p>strobos.cee.vt.edu
 

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Jules,<br> <br> I have the same question for my 2001 c240. Do you have any good solution yet? What solution you decided to go with? I'll appreciate your reply.
 

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The booster/amplifier (it actualy does a lot more) is mounted on the rear window near the top. I wouldn't advise messing with it. The FM antenna IS the rear defroster. Therefore, if your modulator is putting out any kind of signal, locating it in close proximity should do the trick. How do you do on weak FM stations compared to other vehicles? Could be the FM modulator is bad or the antenna amplifier on your car. I had the one in my ML fail.
 
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