Re: Car radio static...AM w/key on or running


DaveM wrote:
> <webguy262@xxxxxxxxx> wrote in message
> news:1127153905.885438.291370@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Since my last post, I have tried a number of things to try to isolate
> > the issue. I connected a new (non-electric) antenna, and grounded it
> > directly to the battery. I had the radio on w/lots of static and pulled
> > each fuse (including fuel pump) one by one. I had a jumper cable on the
> > battery ground and conected it to the alternator, engine computer,
> > sound amp and radio ground itself.
> >
> > None of these made any improvement.
> >
> > I'll try grounding the fuel pump as I could not easily locate it
> > yesterday.
> >
> > As to other questions posted here...nothing else in the vehicle seems
> > to correlate with less or more static. But it is worse sometimes than
> > others. Which may be a result of the weather or other conditions making
> > for a better or worse ground connection somewhere.
> >
> > I'll keep tyring!
> >
>
> The extreme noise problem significantly points to a broken ground connection
> in the antenna circuit somewhere. The broken ground may be inside the
> radio. You might open the radio case and closely inspect the antenna
> circuit connections. You might find the shield connection broken where the
> antenna connector or the coax cable from the antenna connector makes the
> connection to the radio's PCB.
>
> As an alternative, park a car with a normally operating radio close to your
> car. Shut the other car off and start your car. Do you hear the noise in
> the other car's radio? If so, the problem is probably in your car's high
> voltage ignition circuit. Check the ignition coil, distributor, the spark
> plug wires and the plugs.
>
> Cheers!!
>
> --
> Dave M
> MasonDG44 at comcast dot net (Just subsitute the appropriate characters in
> the address)
>
> Never take a laxative and a sleeping pill at the same time!!

Another poster and I suggested sniffing around using a small AM
battery-operated transistor radio. The OP doesn't say if he has tried
that or not.

H. R.(Bob) Hofmann

.

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