Radio help
Thread Starter
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Tuned
Joined: Jan 2013
Posts: 305
Likes: 7
From: Middleburg, FL
Radio help
AM comes in strong and clear with engine off but gives strong static with engine running, to the point it's unlistenable. FM works great. I just installed a new factory antennae and wire in an attempt to fix and it helped a little, but still bad. What else could it be?
Thread Starter
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Tuned
Joined: Jan 2013
Posts: 305
Likes: 7
From: Middleburg, FL
Wires are new 9mm Ford Racing along with new MSD coil and cap/rotor. Did it before the ignition upgrade also. I don't believe it really changes with rpm, but I haven't really left on very long like that. But clear and strong when engine is not running.
Posting Guru
Joined: Apr 2012
Posts: 1,693
Likes: 3
From: Menifee, CA
If your antenna lead is original it could be bad, check your grounds for your sound system. I put in a power line filter inline with the positive voltage connection to the stereo and it fixed 95% of static. Also I properly grounded the radio to the chassis on clean fresh metal, and I made sure my engine block ground was good. Also if you have a high power alternator you could be getting alternator whine. Mine got worse after replacing the 2g 65a with a 3g 130a.
Thread Starter
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Tuned
Joined: Jan 2013
Posts: 305
Likes: 7
From: Middleburg, FL
If your antenna lead is original it could be bad, check your grounds for your sound system. I put in a power line filter inline with the positive voltage connection to the stereo and it fixed 95% of static. Also I properly grounded the radio to the chassis on clean fresh metal, and I made sure my engine block ground was good. Also if you have a high power alternator you could be getting alternator whine. Mine got worse after replacing the 2g 65a with a 3g 130a.
Posting Guru
Joined: Apr 2012
Posts: 1,693
Likes: 3
From: Menifee, CA
Your local mobile stereo shop either will make one or has them in stock. Basically a torrodial transformer
Fleet Owner
Joined: Jul 2006
Posts: 20,381
Likes: 845
From: Mi'kma'ki
people still listen to am radio?
i installed a jvc head unit,4 pioneer 4-way speakers and a rockford frosgate 4 channel amp in chip truck back in 2010-11.sounds super sharp and clean but after the amp install i got alternator whine.i installed this one here and it cured it:
but it's got a mixed bag of results.for the price i gambled and it payed off.don't hate me if it doesn't work or you too lol! like GJ says though,you can pick these up at like radio shack too.it's worth a try.
but it's got a mixed bag of results.for the price i gambled and it payed off.don't hate me if it doesn't work or you too lol! like GJ says though,you can pick these up at like radio shack too.it's worth a try.
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Posting Guru
Joined: Apr 2012
Posts: 1,693
Likes: 3
From: Menifee, CA
Oh yeah I totally forgot! If you use a USB phone charger it can pick up all sort of crap through the power system. Especially if you plug your phone into the AUX of your stereo while charging.
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Thread Starter
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Tuned
Joined: Jan 2013
Posts: 305
Likes: 7
From: Middleburg, FL
Yea, I did notice that as well when charging my Ipad.
Posting Guru
Joined: Apr 2012
Posts: 1,693
Likes: 3
From: Menifee, CA
Here's the kicker for me, when i tune into my favorite AM station, I get two stations at the same time. I hear one the main station and then the other garbled in the background.
I think its the radio. It's a digital one, so there is no in between manual adjustment.
I think its the radio. It's a digital one, so there is no in between manual adjustment.
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