Re: [ST] Re: Fwd: ST Mods page

[Thomas Emberson <thomas@xxxxxxx>]

On Wed, 14 Mar 2001, Lex Offer wrote:

> Eric and Ray,
> 
> My only suggestion is to check your grounding.  My experience in this area is only with cars, but when I installed a stereo in my old 69 'Stang, we were picking up ignition noise.  We couldn't figure out why, so we went and talked to a stereo install te
ch at the local High End Stereo shop.  According to him we had it grounded incorrectly.  He said to ground it to the body of the vehicle, we did so and no more noise.  Hope this is of some help.
> 

As well, if possible have all the power and grounds from various
bits of connected audio equipment conected together and close to
the battery. Often times noise ignition noise such as that is
created/enhanced by ground loops where different pieces of equipment
see slightly different voltages at power or ground. By ensuring
that you have ample sized wire and a common point for power and
ground much of that can be reduced.

If all else fails you might need a coil/capacitor to suppress the
noise. As far as the coil, should be easy to find in a Canadian
tire or Pep Boys, and just place it in serious with the power. When
I had to get one for the old escort I believe it was actually
labeled "ignition noise suppressor"

Thom

> >I am installing a J&M handlebar (clip-on) mounted CB.  I am picking up 
> >charging circuit or ignition noise when I transmit.  I have moved my power 
> >connection from directly to the battery to using the front position light 
> >for power.  Any other suggestions or do you know someone who has a CB 
> >installed that I can contact?  I could not find a question and answer 
> >section,  so I just decided to try here.  Thanks, Ray

/**********************************************************
Thomas Emberson  <Thomas@xxxxxxx>        http://get.qnx.com
QNX Software Systems Inc.
5100 Tennyson Parkway, Suite 1000, Plano, TX, 75024
V: 214-495-5665  F: 214-495-5664
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