| Author |
Message |
    
Tomcatinva
Intermediate Member
Username: Tomcatinva
Post Number: 148
Registered: 11-2003
| | Posted on Wednesday, March 19, 2014 - 1:44 pm: | 
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Crazy question about Magnums P03-00004 XLF 20C 3 Pin Filter Cord.
Can these go bad over time? I have several of these in my vehicles and they worked great. I have since moved 2 of them from the original vehicles and into 2 different vehicles and the radios are picking up engine noise now. So can these go bad after a while?
Thanks for any help...
TomCat in VA
CEF217
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Press_man
Advanced Member
Username: Press_man
Post Number: 754
Registered: 5-2008
| | Posted on Tuesday, March 25, 2014 - 5:16 pm: |
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How old are they? Could be the filter has gone bad or you may need a better ground. I would suspect the ground first since they were OK till moved.
73 Pressman
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Sonoma
Intermediate Member
Username: Sonoma
Post Number: 296
Registered: 11-2001
| | Posted on Wednesday, March 26, 2014 - 1:44 pm: |
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turn on the radio and the vehicle then unhook the antenna from the back of the radio and see if the noise goes away. if it does the noise is coming in threw the antenna and the power cord filter will not help you. you will have to work on the grounding of your vehicle to correct it. |
Tech237
Moderator
Username: Tech237
Post Number: 1765
Registered: 4-2004
| | Posted on Thursday, March 27, 2014 - 12:05 pm: |
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Tomcatinva - what sort of engine noise? If it is the whine from the alternator, it is most likely coming in via the power cord, and a different filter may help.
If it is the pop pop of spark plugs, then it is more than likely coming in via the antenna, and a power-line filter will not help at all.
There is an article on RFI in Subscribers> Articles that may help you.
Tech237
N7AUS
God made me an athiest, who are you to question his wisdom?
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Tomcatinva
Intermediate Member
Username: Tomcatinva
Post Number: 149
Registered: 11-2003
| | Posted on Wednesday, April 02, 2014 - 10:37 am: |
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Thanks guys for the responses... the filters are kind of old (relatively speaking) about 6 maybe more years. But the sound is kind of like a spark plug/ignition noise, it’s definitely not a whining noise. I’ll check out that article on RFI…
Thanks Again!!
TomCat in VA
CEF217
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