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Capt205
Member
Username: Capt205

Post Number: 85
Registered: 5-2005
Posted on Wednesday, April 26, 2006 - 6:18 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I had noise problems with my 2003 F-350 with the 7.3 Powerstroke. I had alternator noise, injector pulse noise, wiper noise and a/c fan noise. I had the truck well grounded based on info gathered here, but the noise was still there, not real bad, but enough to bug me. I bought some of the ferrite snap chokes today, and I will attest that all of the noise is gone, except the fan noise, and it is now only about half as bad, and only on the high setting........everything else is GONE!

I snapped one on the coax where it plugs into the radio, and one on the power leads at the radio. I may try doubleing them up just to see if it knocks the fan noise out completely. I am a very happy camper!

As far as my radio hobby (addiction) goes, this is the best $11.00 I've spent.

Just wanted to let those of you who have similar problems know, that it really works!
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Jameslarson
Member
Username: Jameslarson

Post Number: 83
Registered: 4-2006
Posted on Wednesday, April 26, 2006 - 6:50 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hi. Where did you find the ferrite chokes? What model? Thanks.
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Tech808
Moderator
Username: Tech808

Post Number: 9841
Registered: 8-2002


Posted on Wednesday, April 26, 2006 - 6:58 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Jameslarson,

Maybe he found them here at Copper Electronics.

CLICK HERE to view the SNAP ON CHOKES

Hope this help's,

Lon
Tech808
CEF808
N9CEF
CVC#2
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Jameslarson
Member
Username: Jameslarson

Post Number: 84
Registered: 4-2006
Posted on Wednesday, April 26, 2006 - 7:09 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

How do you wind thick coax throught that though? Also, do they make ferrite chokes wider and that do not require bends of the cable? Thanks
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Tech808
Moderator
Username: Tech808

Post Number: 9844
Registered: 8-2002


Posted on Wednesday, April 26, 2006 - 7:49 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Jameslarsen,

YES, they make many different sizes.

Just do a GOOGLE SEARCH for: Ferrite Chokes

Hope this help's,

Lon
Tech808
CEF808
N9CEF
CVC#2
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Capt205
Member
Username: Capt205

Post Number: 87
Registered: 5-2005
Posted on Wednesday, April 26, 2006 - 10:15 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The one's I used are from a cell phone store that used to be a radio store. I did'nt see the one's I used, here at Copper's.

They are about an inch, to inch and a half long, and snap on the coax or power wire. The hole is the same size as the coax on my Wilson 5000. I have also seen elsewhere, some that fit rg-8 or 213 type as well.

I wil check Copper's site again to see if they have the one's I used.
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Georgeodjungle
Member
Username: Georgeodjungle

Post Number: 72
Registered: 1-2006
Posted on Thursday, April 27, 2006 - 1:11 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

yes:
with "toy diesel's" make alot of rf noise.
choke works realy good.
the next step would be a "coax supply"
if you're still getting a lil noise i'd go there.
or bigger nb.

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