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Whistling noise in radio,not constant but when starts amp meter drops slightly but still in good charge range

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  • Gregg Mahin
    Gregg Mahin Sep 22, 2017

    Hi, Kenneth I would really love to help you with your bike question but due to the magnitude of yesterday's solar flare the batteries in my crystal ball are dead and my mental telepathy headset circuitry was melted. I need the year, make, and model of your motorcycle please click on the word "COMMENT" below and provide this information in the box that will open and then click on the green comment box in the bottom right-hand corner after it posts I will receive an "ALERT" icon that will allow me to respond to your information. Good luck and have a wonderful day.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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honeymokey

honeymokey

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SOURCE: alternator test said good, put on car & not

Remove and clean battery cables , replace bolts. Check for power going to the alt. it will not charge unless is has power in the connector wire. When alt is tested get them to tell you how many amps it is putting out, not volts. 12 volts will not charge a battery unless you have the correct amount of amps. I had a napa alt and had this trouble twice. The guy said it was good it had over 12 volts output, but it would not charge battery. I fixed mine with a better quality alt. from another store.

Posted on Jul 19, 2009

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Ronaldbrains

  • 881 Answers

SOURCE: Charging system

You have a alternator with a built in regulator and its that is your problem as all alternators 12Volt charge
at 13.5 amps and can run about 12.5 when idleing but as long as it charges around the 14 while driving keep driving till you ger time to get it fixed it will be ok for a few days but get it seen to.

Posted on Oct 17, 2009

GMtech16

  • 63 Answers

SOURCE: 164K miles, has constant clicking noise while

might be an AC compresser thats bust

Posted on Nov 19, 2009

Anonymous

  • 396 Answers

SOURCE: My 2001 Impala wont start, battery reads good on

What are you using to "read" the battery? A multi-meter, perhaps? A battery can show 12 volts on a multi-meter and still not have enough voltage to start a car. The voltage will be adequate to operate most electrical functions but inadequate to crank the car. If you hear a clicking sound when you turn the key, the starter is not getting enough voltage.
You should have the battery "load tested." Most auto parts places do this at no charge.

Posted on Apr 20, 2010

willsolveit

  • 67 Answers

SOURCE: speedo meter on the fiesta

Hi there
This is usualy a loose wire. Check the earth wire from the batery to the engin and the body. If that doesn't work, check the fuse box for loose conection also have a look under the dash behind the cluster for any loose conections. Good luck.

Posted on May 17, 2011

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2 Answers

Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

1 Answer

Swrs go up with power on


Usually if a good match with amp not used but match goes up when amp is on, you are getting power or rf reflected back at the radio.


any jumpers in line for swr or power meter or especially the amp are critical and have to be precise lengths. A good noise bridge or even a grid dip meter can help here. At low how long the jumpers are is not so critical but as power goes up the slight error gets magnified.

Dec 18, 2012 | Radio Communications

1 Answer

Car did start


very simple my friend! start the jeep. put a multi meter on the battery on dc volts. if it is below 14 volts, the alternator is not charging the battery. you can also preform a draw test by disconnecting the positive terminal from the battery. set your meter to amps.(you may also have to move the jumper in the meter) connect you meter to both the battery, and the terminal. you shouldnt see anything about 10 milliamps. make sure all lights are off, and all doors are closed. if you have a draw, start by pulling 1 fuse, and seeing if the amps drop. if it doesnt, put the fuse back and go to another fuse. also, if you have anything aftermarket (radio, remote starter, etc.) this is most likely the issue

Nov 04, 2012 | 1994 Jeep Grand Cherokee

1 Answer

Whistling Noise whilst driving


As with all unusable vehicle noise complaints it is important that the noise be listened to first hand, so have a shop test drive this with you on board to point out the noise to them when you hear it start in your vehicle

Nov 02, 2012 | Cars & Trucks

1 Answer

Constant speed howling noise from underneath 2003 Volvo S60 (base)


Open the oil filler lid and see if the noise goes away - or lift the oil dip stick. It could be a gummed up PCV system that causes pressure in the crank case that "whistles" when the engine is running.

By opening the lid or dip stick, you're letting the pressure out and the whistling should stop.

If this is the issue, FCP Euro has a PCV replacement kit for about $350.

Jul 16, 2017 | 2003 Volvo S60

1 Answer

Car won't start. Battery power seems fine. Turn the key, no cranking, lights and radio die with key in "start" position.


Hello davidoz,

Your description sounds like a bad battery. Do you have a volt meter to watch the voltage as you turn the key to start? The voltage on a good battery( meaning fully charged) should stay about 11 volts while cranking, if it drops below that suspect a bad battery.

Another possibility is that the battery is good but the alternator is not charging.

Will it start with a jump? If is does check with a volt meter the out put of the alternator it should be 13.8 volts or slightly higher.

Regards,
netvan

Mar 09, 2011 | 2000 Pontiac Grand Am GT

1 Answer

Truck dies when head lights are turned on.


Were they checked "under load" or just checked? Sometimes an alternator can function under normal conditions but not when you start adding extra power usage. To "load check" it, hook up your meter and start the engine. Take a reading, which should be in the 13.5-14.2 volt range. Have someone start turning on power users; radio, lights, heater, etc. You should notice a quick flicker on your meter and the charging rater should return to the 13.5 or better. With everything turned on it will drop some from the initial reading but should remain in the 13 volt range. If it doesn't remain in the range then it has a burnt diode in the circuit and will have to be rebuilt. Hope this helps.

Nov 24, 2009 | 1981 Ford F 150

1 Answer

Engine whistling when cold in morning


Your alternator is drawing alot of power trying to charge the battery.Try tightening the belt.That should fix your problem..The reason the alternator is whistling so much on cold starts is because thats when it takes the most power from the battery to start the car.And the noise from the alternator is it charging it back up..So I'd try tighting the belt that will fix the smell and watch for the battery light or alternator light in the dash come on the could be your alternator failing and you dont want that to happen..I hope this helps you fix the problem.Have a great day...

I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589

Mar 31, 2009 | 1994 Mazda 323

3 Answers

Somethings draining my battery, not alarm ,new alt


turn on ur car let it run then take the hot wire off the battery and it still runs then you have a powerssoucre such as an after market radio or just a hot wire to something thats giving it constant power and draining ur battery

Oct 14, 2008 | 2001 Chevrolet Cavalier

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