My 2002 Buick Rendezvous has started making a high pitch whining noise that has been getting louder the past few weeks. Depressing the accelerator makes the noise higher pitc


Could be a sign of a failing alternator. Or it could be a poor antenna connection. If the radio isn’t getting much signal from its antenna it will amplify what little signal it gets as well as noise from the various electrical devices in the car. Alternator whine in your car stereo can be an elusive problem. As the RPMs of your vehicle rise, the volume of the alternator whine can increase as well. Identify the underlying cause of the whine to silence it for good. There are several possible causes of alternator whine and troubleshooting is the best way to . I have 2 buddies that have a noise on their radios when they transmit. It goes away if they shut down the alternator in flight. We have tried hooking up a "noise filter" to the radio with zero improvement. Souderton charter school lottery systems. I decided to take it to my local mechanic, who tested the alternator and determined that a diode had failed. He replaced the alternator for me and the whine is now gone. I did measure the 12 volt supply with the new alternator installed and the radio transmitting. I was surprised to find that there is still some ripple, a bit less than 200 mV . An alternator or dynamo not fitted with a suppressor will produce a whining sound, rising in pitch as the engine speed increases. Interference from electrical components such as windscreen wipers, fan heater and direction indicators can be identified immediately. The noise will disappear when the component is switched off. Recently changed car alternator (charger motor). New part was costly, so it was agreed to install a rebuilt alternator with only 6 months warranty. Should be enough if the car is not intended to stay in the house longer. Seems that rebuilt was not a good job. This was causing a buzzing noise into the car radio. It goes faster and slower as you . Call of duty zombies lets play. Curing Radio Noise. By Mike Allen. Mar 29, 2006 You're looking forward to the chance to listen to the ballgame, having just dropped your purple-haired teenage daughter off at her first semester at . Mercedes-Benz Sedan Forums. W123 E,CE,D,CD,TD,TE Class. alternator noise in radio Alternator whine is caused by a small amount of AC signal component on your DC power supply to the radio. The alternator generates this AC signal as a by-product of how it works. A diode pack on the alternator converts AC current from it's windings into DC to charge the battery. The battery "smooths" out the pulses of energy from the alternator. This alternator on a Toyota, came in with the owner complaining of a whine under the hood. The whine would stop and start as I unplugged and plugged the alternator. The cause of the whine is a bad . Wayland soccer field. On the last day of my trip home from JC, I started getting radio noise on all freqs that rendered it unusable. I narrowed it down to the alternator. However the funny thing is that pulling the alt breaker that isolates it from the buss didn't stop the noise. Tripping the field, however, stops the noise. The alternator has about 140 hours on it and still charges.

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Radio Noise From Alternator

  • Alternator noise in the radio. | Modded Mustang Forums
  • Why Tolerate Radio Noise
  • Alternator Noise.
  • Curing Radio Noise - Popular Mechanics
  • Identifying and suppressing radio interference | How a Car ...
  • Alternator noise in the radio. | Modded Mustang Forums

    Today I started hearing a whining noise in my radio. I am just assuming it is from the alternator. You really hear it if you put the car in neutral and let it coast to a stop. You can then hear it "spool" up when you put it in first and start to go. I don't know if it is the alternator or the... alternator filter noise 120amp radio marine mar120am 6v ham 36v new 24v 12v cb cb new 12v 24v alternator 6v mar120am ham marine filter 36v 120amp noise radio. workman nf20 automotive alternator ignition noise suppression radio filter 10amp workman nf20 automotive - $19.95 nf20 alternator automotive workman ignition 10amp radio suppression noise filter filter noise suppression nf20 ignition ...

    The Mysterious Case of Alternator Noise • AmateurRadio.com

    I decided to take it to my local mechanic, who tested the alternator and determined that a diode had failed. He replaced the alternator for me and the whine is now gone. I did measure the 12 volt supply with the new alternator installed and the radio transmitting. I was surprised to find that there is still some ripple, a bit less than 200 mV ... In cases where the noise is only present when your engine is on, and it changes in pitch along with the RPM of the engine, then the problem probably has to do with your alternator. This type of car speaker whine can usually be fixed by installing some kind of noise filter. If the noise is present regardless of whether the engine is running, you ... Hey whats up. Just wondering if anyone out there encountered any type of problem with a sligjt whining noise coming from the radio. i really cant narrow it down as to when it does it but is pretty annoying.

    Alternator Whine in Car Audio

    Alternator Whine in Car Audio . Car Audio Noise. The biggest offender of noise in the car audio environment is alternator whine. Alternator whine is caused by a difference in electrical potential (voltage) between two points. It's usually caused by a ground connection that is less than ideal. The main culprits are the amp, the head unit and any ... While RFI can indeed cause it, varying loads on the alternator can also be a cause especially if you run high power. One way to tell is to listen to the alternator when someone else is on the radio. If the mechanical whine from the alternator varies with the load, you're discovered the cause. If it doesn't change, it is probably RFI ingress to ...

    Alternator whine - Maintenance/Repairs - Car Talk Community

    My 2002 Buick Rendezvous has started making a high pitch whining noise that has been getting louder the past few weeks. Depressing the accelerator makes the noise higher pitched. My mechanic said that it is alternator whine coming through the stereo speakers, whether or not the radio is on, and the only way to get rid of the noise is an expensive re-wiring of the speakers. But, if I can live ... Ok in that case I would look at installing a capacitor for the alternator. I have never found a choke/filter that actually worked but it sounds like if you could find on like you mentioned then it might work. Good luck either way noise from alternator drives me nuts coming through the cb.

    Why Tolerate Radio Noise

    Filter Out Alternator Noise. Among the other frequently encountered radio noise makers, I would consider alternator (generator) noise to be second only to ignition noise. Alternator noise is generally recognized by sort of a whining sound . . . a sound that rises and falls with changes in the throttle setting. Alternator noise is most ... Engine/Alternator noise sounds like a high pitch whining that gets louder and higher in pitch as you press on the gas pedal. This noise indicates that the system either has a bad ground, defective head unit, defective amplifier, bad RCA cables, improper installation, or a problem in the vehicle’s charging system.

    How to Remove an Alternator Whine From a Car Stereo | It ...

    Alternator whine in your car stereo can be an elusive problem. As the RPMs of your vehicle rise, the volume of the alternator whine can increase as well. Identify the underlying cause of the whine to silence it for good. There are several possible causes of alternator whine and troubleshooting is the best way to ... Under $2 Fix For Alternator Whine In Stereo. I put a pretty decent stereo in my '73 a few years back. I had some alternator whine noise in the system that I've been trying to solve ever since. I read everything on the web I could find. Re-installed equipment a couple of times. Verified all grounds. Verified the noise was not coming through the antenna lead. Verified the noise was not being ... He had radio noise, slow cranking R.P.M., apparent alternator problems, and several other electrical problems. It was recommended that he run a dedicated ground wire from the battery to the ...

    Radio Noise from Alternator - Maintenance/Repairs - Car ...

    Could be a sign of a failing alternator. Or it could be a poor antenna connection. If the radio isn’t getting much signal from its antenna it will amplify what little signal it gets as well as noise from the various electrical devices in the car. Wherever possible the connection should be soldered. A poor connection can create more noise than no connection at all. RADIO INTERFERENCE SOURCES AND CURES. Alternators. Alternator interference can normally be recognized by its characteristic whine when the alternator is charging. The whine will vary in pitch with engine speed and vary in ... A vehicle's alternator produces an alternating current (AC) before converting it to direct current (DC) by utilizing a series of diodes called the rectifier bridge. When several accessories utilize a vehicle's body as a ground, they form a common return path. These ground loops are capable of limiting the amount of ground each accessory ...

    Alternator Noise On The Radio | Pilots of America

    I have 2 buddies that have a noise on their radios when they transmit. It goes away if they shut down the alternator in flight. We have tried hooking up a "noise filter" to the radio with zero improvement. Alternators produce an electrical field that can interfere with radio reception. An alternator condenser corrects this problem. Automobile alternators are necessary to recharge the car battery and to run the car electrical systems without using the battery. I've tried everything- noise filters, adding three grounds, deleting all grounds and running one from the radio to the battery only- disconnecting the radio interference capacitor. I've even tried a new alternator, to no avail. The only thing that fixes it is disconnecting the alternator. I obviously can't make that permanent. I even tried ...

    Alternator Noise.

    On the last day of my trip home from JC, I started getting radio noise on all freqs that rendered it unusable. I narrowed it down to the alternator. However the funny thing is that pulling the alt breaker that isolates it from the buss didn't stop the noise. Tripping the field, however, stops the noise. The alternator has about 140 hours on it and still charges. The speedometer went nuts as did the tach. Radio and other electrical stuff started flaking, too. That's when I realized the alternator might be on the fritz, but it was too late. I managed to get ...

    Car Radio Noise Eliminator : 4 Steps - Instructables

    Recently changed car alternator (charger motor). New part was costly, so it was agreed to install a rebuilt alternator with only 6 months warranty. Should be enough if the car is not intended to stay in the house longer. Seems that rebuilt was not a good job. This was causing a buzzing noise into the car radio. It goes faster and slower as you ... Buy Standard Motor Products RC-50 Alternator Radio Noise Capacitor: Alternators - Amazon.com FREE DELIVERY possible on eligible purchases Car Audio Noise Troubleshooting. One of the most frustrating aspects of car audio is noise in the system. Unlike home audio systems, car audio systems have many sources of noise to deal with. Here's a few of the most common noises found in car stereo and how to fix or avoid them. Alternator Whine . Alternator whine is the granddaddy of car ...

    4: Strange Sounds - Top 10 Signs of Alternator Problems ...

    The alternator pulley spins on a shaft, which in turn is supported by either bearings or bushings. If the pulley is not in correct alignment with the belt, if it's canted on the shaft or if the bearings and bushing are worn out, the growling or whining noise will let you know there's a problem. Alternator induced radio noise is a high pitched whine whose pitch and intensity increases and decreases with changes in engine speed. Turning the alternator master switch off also turns off the radio noise. Solid state regulators that use a pulse-width-modulated field control system can also create a whine in the radios. Regulator-caused whine ...

    Know How to Get Rid of Engine Noise in Your Car Stereo Easily

    Try changing the position of the speaker wires, and you may be able to get rid of engine noise in your car stereo. #5- Check your Alternator and Car Battery. A faulty alternator can also generate undesirable electrical impulses which can be picked up by your car speakers It could also be emanating from the battery. If the problem lies with the ... Speaker Noise Symptoms. Engine noise in the vehicles stereo speakers. It’s a pretty common problem when an aftermarket radio or amplifier is installed. The most common description of the noise is a whining sound that gets louder as the engines RPMs increase. This is very annoying and sometimes embarrassing. If your new automotive stereo ...

    Curing Radio Noise - Popular Mechanics

    Curing Radio Noise. By Mike Allen. Mar 29, 2006 You're looking forward to the chance to listen to the ballgame, having just dropped your purple-haired teenage daughter off at her first semester at ... RF Noise Reduction resources category is a curation of 28 web resources on , ARRLWeb: Solving Ignition Noise RFI, Noise Sources, A low-pass filter to remove alternator whine. Resources listed under Noise Reduction category belongs to Radio Frequency Interference main collection, and get reviewed and rated by amateur radio operators. Building a low-pass filter to remove alternator whine in my car Ever since I installed a mobile ham radio in my Subaru, there has been a pretty noticeable whine that revs up and down with the engine. I got a few complaints that the whine was on my transmitted signal.

    alternator noise in radio | Mercedes-Benz Forum

    Mercedes-Benz Sedan Forums. W123 E,CE,D,CD,TD,TE Class. alternator noise in radio Engine noise and alternator whine. Noise introduced through the power and ground wires connected to your receiver is called engine noise or alternator whine. If engine noise is your culprit, you may hear a whining or clicking sound. Its pitch will usually vary with engine speed. To solve my strobing lights issue I just got a new Regulator (solid state) and a 61 amp alternator. However, I am noticing radio noise that increases in pitch in RPM. It isnt loud, but louder than nothing, which is what it was before. I noticed a little silver can, looked like the condensor...

    Car Audio - Alternator Noise

    Alternator Noise. What is Alternator Noise? Alternator noise is a high pitched whine caused by the car's electrical system. When the engine spins the alternator around, the alternator induces an AC voltage that is converted to DC and used to charge the car's electrical system. Found this guide on another forum, and given the slew of recent threads on troubleshooting noise, thought I would post it here. One word of warning is that some HU's and/or processors nowadays have a zero bit mute, which essentially cuts off the output during low signal passages to reduce noise.....so be aware if this is a feature your unit has.

    Identifying and suppressing radio interference | How a Car ...

    An alternator or dynamo not fitted with a suppressor will produce a whining sound, rising in pitch as the engine speed increases. Interference from electrical components such as windscreen wipers, fan heater and direction indicators can be identified immediately. The noise will disappear when the component is switched off. The noise stopped & front speakers were fine. That eliminated an ignition issue. I sprayed DeoxIT on radio control connection and blew out with canned dry air. Problem solved. Bottom line is if you are getting noise through the speakers there is either a grounding/connection problem or alternator noise suppression issue. Wish I had been as ... Re: Eliminating noise in radio Fishstix, I had the same problem with my boat. I was picking up both noise from the alternator and the depth finder. To fix the problem I moved the transducer cable away from the power cables from the battery.

    Noisy Whining Alternator

    This alternator on a Toyota, came in with the owner complaining of a whine under the hood. The whine would stop and start as I unplugged and plugged the alternator. The cause of the whine is a bad ... Noise Filter Cable Ring, VSKEY [10 pcs] Anti-Interference Noise Filters Ferrite Core Choke Clip for Telephones,Tvs,Speakers,Video,Radio,Audio Equipment & Appliances Power Audio (10pcs 3.0mm)

    Engine noise? killing the rest of my alternator whine n other pops n whistles. more tips on descrip

    Tips for getting rid of your unwanted electrical noises: *run your RCAs on the opposite side of ur power wires. *use high grade RCAs (big difference from cheap ones!) *try Ground Loop Isolators ... View Noise Filters products at WingStuff.com. Alternator Ignition Noise Filter for Power Connection $29.99 Can we notify you when this is available? Enter Your Email:

    electrical noise EMI

    Mostly, EMI and noise interferes with sensitive computer, audio, and radio equipment. Most of us are familiar with common noise problems, like the musical-sounding tone of alternator whine in speaker systems or the whirring sharp clicks of "spark plug" noise in radios. Those noises follow the speed of the engine. When your alternator begins to fail it can cause a variety of different electrical problems in your car, and eventually cause a breakdown. Alternators can go bad suddenly, or slowly over time. If your alternator is slowly going bad over time there are some warning signs you can look out for.

    How to eliminate alternator whine? - Amateur Radio Stack ...

    Alternator whine is caused by a small amount of AC signal component on your DC power supply to the radio. The alternator generates this AC signal as a by-product of how it works. A diode pack on the alternator converts AC current from it's windings into DC to charge the battery. The battery "smooths" out the pulses of energy from the alternator. Good day All! I'm looking for a circuit to filter out alternator noise. I've searched and searched but I cannot find anything that will provide specifics. I've heard of joining 2 1N4001 diodes, one from ground, the other from +12V and installing a capacitor from the output. What value... RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.

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