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"Ignition" noise

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Old May 15, 2009 | 01:15 PM
  #1  
97 HD's Avatar
97 HD
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From: Lawrenceburg, TN
"Ignition" noise

I have a police scanner in my truck. When im listinig to it I can hear what would be the equivalent of ignition whine or noise in a gas burner. Since we dont have a spark ignition where could the noise be comming from? The alternator? I dont hear it thru the radio just the scanner.
 
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Old May 15, 2009 | 03:45 PM
  #2  
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yoslick
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From: NW Wisc
Yup, probably the alternator, I got a noise filter from Radio shack, goes on the positive side of your hot wire to the scanner, cleaned mine right up..

Slick
 
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Old May 15, 2009 | 03:47 PM
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nat13_3
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From: N.B., Canada
I get a sound that sounds like an ignition noise on my gasser but I know it's not cause it still happens when I shut the truck off while I'm rolling. So I've determined it to be my transmission causing some sort of interference. Probably cause the wire runs right beside it.
 
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