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Article #20714

Re: Unidentified noise from my car stereo.

#20714
From: Randy_Davis
Date: Fri, 10 Feb 1989 14:51
17 lines
1310 bytes
In article <Feb.9.10.32.35.1989.24408@caip.rutgers.edu> wolpert@caip.rutgers.edu (Seth Wolpert) writes:
|
|One of my trusty vehicles, a 1982 Nissan Stanza has a strange noise
|coming through the speakers.  It's a hum- sounds like a couple of
|hundred hertz, with the following symptoms;
|
|The pitch and loudness never vary (i.e. with engine RPMs).
|It only occurs when the lights (parking lights, low beams, or
|high beams) are turned on.
|It happens with both tape and FM.

  I have been successful in fixing both alternator noise (which varies with
RPM) and your type of noise by checking and tightening or adding the ground
connections on the system.  Strange how a little simple fix like that can
work....

Randy
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cwjcc!tut.cis.ohio-state.edu!rutgers!att!occrsh!rjd
References: <Feb.9.10.32.35.1989.24408@caip.rutgers.edu>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cwjcc!tut.cis.ohio-state.edu!rutgers!att!occrsh!rjd
From: rjd@occrsh.ATT.COM (Randy_Davis)
Newsgroups: sci.electronics,rec.autos.tech
Subject: Re: Unidentified noise from my car stereo.
Summary: Possibly loose or missing ground wire
Keywords: Hum, Noise, Annoyance
Message-ID: <566@occrsh.ATT.COM>
Date: 10 Feb 89 14:51:28 GMT
References: <Feb.9.10.32.35.1989.24408@caip.rutgers.edu>
Reply-To: rjd@occrsh.UUCP (Randy_Davis)
Followup-To: sci.electronics
Organization: AT&T Network & Data Systems, OKC
Lines: 17