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Old 06-05-2013, 10:41 PM
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Please Help: Bad FM audio with 430

Since new, my FM reception has been horrible. It's not static. It will go from clear to muffled. I've never had a problem with any other radio, including the 730 in our Grand. I compare the sound as if all the equalizer settings go from normal to -9 as I drive around town. It's not a problem with reception in my area. I live in Houston and I normally can get my stations to darn near San Antonio 3 hours away.

Any suggestions? I thought about pulling the radio and seeing if the antenna connection is loose or something. But again, I'm not getting static. Just poor audio that goes in and out.

I do have an Antenna X now. But I had this problem from day one. It actually sounded a little better after adding the X, but it's back to square one.

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Old 06-06-2013, 05:15 AM   #2
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Originally Posted by Dollar View Post
Since new, my FM reception has been horrible. It's not static. It will go from clear to muffled. I've never had a problem with any other radio, including the 730 in our Grand. I compare the sound as if all the equalizer settings go from normal to -9 as I drive around town. It's not a problem with reception in my area. I live in Houston and I normally can get my stations to darn near San Antonio 3 hours away.

Any suggestions? I thought about pulling the radio and seeing if the antenna connection is loose or something. But again, I'm not getting static. Just poor audio that goes in and out.

I do have an Antenna X now. But I had this problem from day one. It actually sounded a little better after adding the X, but it's back to square one.
Not that it helps you, but I have the 430, and my FM reception (and sound) is great ... but the satellite radio sounds washed out and hollow, like it is being projected across a big empty room.

I wanted to like Sirius, but the sound is just horrible.

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Old 06-06-2013, 10:41 AM   #3
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.

I do have an Antenna X now. .
Try going back to OEM and get your money back for the stubby. These things only look good....
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Old 06-06-2013, 10:52 AM   #4
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Originally Posted by Dollar View Post
Since new, my FM reception has been horrible. It's not static. It will go from clear to muffled. I've never had a problem with any other radio, including the 730 in our Grand. I compare the sound as if all the equalizer settings go from normal to -9 as I drive around town. It's not a problem with reception in my area. I live in Houston and I normally can get my stations to darn near San Antonio 3 hours away.

Any suggestions? I thought about pulling the radio and seeing if the antenna connection is loose or something. But again, I'm not getting static. Just poor audio that goes in and out.

I do have an Antenna X now. But I had this problem from day one. It actually sounded a little better after adding the X, but it's back to square one.
My guess would be a poor connection somewhere in the cable. If you feel like trouble shooting it yourself, buy a Chrysler antenna adapter, splice a bit of cable onto it and splice the other end onto your antenna. If the radio works, you know the problem is in the Jeep's antenna wiring.

It sounds like it's relatively new though, so I'd put the factory antenna back on, take it to your dealer and tell them to fix it under warranty.
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Old 06-06-2013, 11:47 AM   #5
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Sounds like you have Multipath issues around the city. This is why the stubby actually helped a little. If you live in the city and have tall buildings within a few miles, it's common. I had in/out stereo mode in the city, drove out 25 miles to the country and it's clear. Multipath from the buildings in the city is the problem.

I expect that the tuners in the factory HU's are junk and prone to multipath. If you want great reception, get a new HU with an excellent tuner. I had the same FM reception issue - going in/out of stereo mode all the time. I've never had any problems with FM in any vehicle I've owned until my 13' Wrangler. My stubby actually fixed the problem on 90% of the stations. I have FM in the 6 level parking garage now where I had static with the factory antenna. Sometimes getting a weaker signal is beneficial when it's overloading or has interference.

I'll be dumping the HU soon anyway. The tuner inside the HU and the antenna combination are most likely the problems. Like you and I both said, I've never had a problem getting FM stations, until my new Wrangler.

I'd take it in and have the dealer check the connections... but I'm pretty sure that's not the problem.
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Old 06-06-2013, 01:43 PM
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Try going back to OEM and get your money back for the stubby. These things only look good....
I've had this problem since new. The stubby actually helped for a while.

As a matter of fact, the problem came back after I had disconnected the battery when installing my lift. Took the battery out to try to access the top of that damn passenger side shock.

I'll see if I can find the stock antenna and take it to the dealer.
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Old 10-27-2014, 09:45 PM   #7
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I have this problem too - please help

Wondering if anyone has any updates on this or can provide advice. I have the exact same problem with my new 2014 Wrangler Unlimitted - Unconnect 430 premium alpine system. FM is exactly as OP describes - volume fades/muffles when driving - not static and ST light stays on when this happens. Only a problem with FM (not with CD, iPod etc.) and I can pretty much predict where it will happen on my daily commute. It's been for service several times: diagnostics on unit - no problem found; replaced stereo with another 430 - no change; took it in again and they found kinked antenna cable, replaced cable and antenna base - no change. I'm about to call the service dept back but I think they are running out of ideas. Anyone have this issue and actually end up resolving it? I'm worried they are going to tell me that's all they can do. We do live in a valley in a mountainous area but have never had this issue with other vehicles and they have all had pretty basic units. I need to solve this so I can get back to enjoying my new jeep - kinda sucking the fun out of it right now.

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