FM radio reception problems
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  1. #1
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    FM radio reception problems

    Hello,

    I have a problem with my radio. A sound quiality is very bad. I thought that antenna amplifier was needed. Standart antenna amplifier locates inside the antenna on the car roof and it takes power from central wire of antenna cable. I gave +12V to the central wire and cut them from radio unit with diode. I made possible to receive a AM stations, but FM sound quality was still very bad.

    I've told with other passat owners - some of them had same problem. I guess it is the typical problem for B5. Sure, I can resolve it with setting a new antenna (for example inside my dash board - it will be fully invisible) but I want to recover existing antenna.

    I have an idea, that the problem is in the antenna cable between radio and antenna. Maybe it was damaged.

    Does anybody have the radio quality problem to be resolved?

    Thank you!!

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  3. #2
    Super Stealth Retired Moderator JayTheSnork's Avatar
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    it sounds like you did not replace the antenna base - it is as you said, the antenna base has an amplifier in it. the antenna base neds to be replaced. it is a powered setup, and it sounds like that is what needs to be replaced.
    www.enfig.com is one place to go to get it.

  4. #3
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    Thanks a lot. Now I am going to take off the car ceiling and replace the antenna base. Anyway I will be ready to change antenna cable.

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    Super Stealth Retired Moderator JayTheSnork's Avatar
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    have you seen the writeups here on this website as to how to do it? good luck...

  6. #5
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    I'm a little confused with your exact situation. I also get terrible FM reception and it got even worse once I installed my new HU. Is this what happened to you? If so, when you replace the HU you also need to replace the thing in the antenna?

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    Super Stealth Retired Moderator JayTheSnork's Avatar
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    happened to me. do a search on my posts, then search for antenna and/or enfig. I posted more than 2 years ago about it, I think. enfig.com is your friend when it comes to buyinng replacement antenna bases.

  8. #7
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    JayTheSnork, yes I've found it yet. ~DIY Antenna base and wire replacement in less than an hour~ I think it will help me out. Thank you.

    robspassatv6, I had gotten a bad FM reception with a standart b5 HU (gamma5), so I decided to change HU for the Kenwood w7027. But a quality didn't improve. I think problem is in the antenna cable or in the antenna amplifier base. I need the antenna to change.

  9. #8
    Super Stealth Retired Moderator JayTheSnork's Avatar
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    Mist, it's more than likely in the base. the antenna cable usually doesn't go bad, but if it does, one likely place is a connector in the tunnel area around the left side of the shifter and under the carpeting. the easy solution is to replace the antenna base by dropping the headliner, unscrewing the old base, and then replacing it and running the new cable.
    keep in mind that this is a POWERED antenna preamplifier in the base, so you need a power line for it. the enfig base I bought had a separate line. the Kenwood you bought more than likely has an antenna power output, and it is probably blue in color - that's the line to connect for the antenna base preamplifier power.

  10. #9
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    Quote Originally Posted by JayTheSnork
    the Kenwood you bought more than likely has an antenna power output, and it is probably blue in color - that's the line to connect for the antenna base preamplifier power.
    Jay is right, It does have the power antenna output and it is blue.

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