Re: 90 Accord ignition noise in AM radio
In article <Xns9BC0A9E04C8D5tegger@208.90.168.18>, Tegger
<invalid@invalid.inv> wrote:
> "Michael Pardee" <null@null.org> wrote in
> news:FL6dnTUkGLwVEzTUnZ2dnUVZ_vCdnZ2d@sedona.net:
>
> > "road apple" <sheldonrl@gmail.com> wrote in message
> > news:280220090654327700%sheldonrl@gmail.com...
> >> Where is the ignition noise suppressor in this Honda. In some other
> >> cars there was a capacitor across the distributor but with the
> >> "pointless" distributors I think that is no longer true. I use the
> >> standard spark plugs and have not changed the high tension wires.
> >> The noise is worse on low AM frequencies and varies with engine
> >> speed.
> >>
> >
> > In nearly every case I've seen, ignition interference on AM
> > frequencies is the result of a poor ground at the antenna. Repair
> > requires unmounting the antenna (which is easy if the antenna is in
> > the rear fender, otherwise could be difficult) and scraping the metal
> > under the metallic parts of the antenna. Scotchbrite or fine emery
> > cloth are good for that.
> >
> > The "condensor" (capacitor) in the old Kettering ignition was to allow
> > the points to open without bleeding off the energy in an arc across
> > the points. There could be a bypass condensor on the 12V side of the
> > coil, though.
I am going to try grounding the antenna first (it's free). II tried
several of the online parts places ie, Majestic and found no capacitor.
I can always try my dealer only 2 miles away.
> >
>
>
>
> I do believe this model does in fact have a radio-suppression capacitor in
> the feed wire from the ignition switch to the coil. Civic-based cars of the
> same era have a cap that looks a lot like a Kettering condenser.
|