Question about Cobra HH 38 WX ST CB Radio

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Noise in radio hooked direct to battery .had it hooked to my bike radio wiring but lots of noise there moved wiring to battery this helped but still have noise keeping with the RPM of bike motor .

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You need a noise filter. What is happening is more normal than not. Go with the 20amp rather than the 10 amp and make sure it is up for the job. Here is a link to one I found on Amazon.com for $10 http://www.amazon.com/Heavy-Automotive-Noise-Filter-270-055/dp/B000T306DY Hook it up inline, secure it and say good buy to the unwanted feedback.

Posted on Mar 20, 2011

  • Iron
    Iron Mar 22, 2011

    Glad I could help.

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How to get the whinning noise outta my radio in a f-150


Try running the ground wire directly to the battery ground.

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I have a galaxy dx 44 hp was working fine then i moved it to a different truck now getting a lot of background nosie


is it wired direct to fuse box or is it to a lighter plug? the plug will make a lot of ground noise. try different ways until you clear it up. one way is a noise clipper from H +Y

Feb 03, 2013 | Cobra 19 DX IV CB Radio

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I purchased an electric adult tricycle (e wheels) the bike came 90% complete the front wheel need assembled there were a hook washer ( a washer with a tiny nib/hook that fits into a hole in the bike), and...


  • First off thank you for so much information. It makes me providing a solution so much easier. Now for the trike.

  • The washers are as follows
  1. The washers with the tabs ("hook") will both go on the outside of the frame. If you look there there is a little hole for the tabs on the outside of the fork for them tabs to go into. This is a safety feature should your bolts somehow loosen a tad it keeps your front wheel on.
  2. And the other two washers go against the inside of the fork on either side.
  3. So you will put a regular washer on each side of the shaft.
  4. Then you will place the wheel on the forks.
  5. The you will place a "hooked" washer, one on each side, with the "hooks" facing the forks with the hook falling into each little hole. Now put a nut on each shaft and tighten them well.
  • As for your fuse Radio Shack is gonna be your best bet at getting one that small of size unless you want to go off the internet did you mean 25Amp or .25Amp? You can do an E-bay search or Amazon search and find fuses far cheaper than Radio Shack.
  • As for the fuse location, look under the battery cover and on the wire leading out of there will have a fuse holder inline. Twist it open and install the fuse. Either direction is fine, Makes no difference.
Regards, Tony

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Battery spills acid, and the engine will not start again after I turn the engine off. I always have to use the jumper cables in order to get it going.


Hi,,,your regulator/rectifier is at fault,,it is overcharging the battery and making acid come out,,you will also need a new battery as the one you have is cooked.

Mar 29, 2011 | 1997 kawasaki VN 800 Vulcan Classic

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Lots of engine noise


I would check all connections it might have bin installed wrong

Oct 25, 2009 | Cobra 29 LTD CB Radio

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Squeal when motor home running and mike is thumbed


You are getting engine interference from the electronics in the ignition system. First you need to see where its coming in from, The antenna or the power wire.

Turn on the vehicle, and the radio. Then while you hear the noise interference disconnect the antenna.(Do not key the radio) If the noise disappears when you disconnect the antenna, then the noise is coming in from the antenna. Relocating of the antenna may be necessary and or you have bad coax and it may need replacing. If the noise is still there when you take the antenna wire off, then the noise is coming in through the power wire. (this is most likely.)

There should be a setting called ANL (automatic noise limiter, or DSC. Turn this on. That should get rid of it, or make it not so present. If there is still a lot of engine noise then.........


There are only 2 ways around this.

1) Run the power from the radio directly to the battery. This will solve the problem.

If you cannot run the wires to the battery, then you can do the following.

2) Get a ground loop isolator for the power wire. Make sure its not one for the RCA jacks for an audio amplifier. Its made for the power wires. This hooks to where you have the radio connected to now, and then the radio hooks to it.

You can get them from radio shack, but usually they are not in stock and you will have to order it.

You can also check to make sure you have a good ground.

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My amp is not working! i have a live from battery and a good earth,but still nothing,does it need to be earthed to back of head unit?


Do you have the remote turn-on lead hooked up?

There should be 3 wires on the power side of the amplifier.

Ground - to the car chassis
Power - to the car battery
Remote - to the remote turn on lead from the head unit. (this emits a 12V signal to a relay inside the amplifier for it to turn on when the radio does)

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Sep 05, 2009 | Car Audio & Video

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CB Interference


Alot of times if you can wire it into your fuse panel it will quit anytime you hook up a radio directly to your battery your asking for recieve problems because that is where all your high current items like a blower are connected ( or atleast very close ) Anyway give that a shot . GOOD LUCK Dan

Jul 14, 2009 | Midland 1001Z 40-Channels Base CB Radio

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Owners manual for connex 4600 turbo


to cut down on noise i would hook it directly to the battery. make sure there is a fuse in the power cord first.

Robert

Please rate this solution thanks

Feb 23, 2009 | Connex 4600 Base CB Radio

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