"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 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.
--
Tegger
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/