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View Full Version : Inquiring minds want to know


zeeker1
09-05-2011, 04:26 PM
Why does Honda put a resistor in the spark plug cap? !982 185s

131162
Hair Bear Bunch
09-05-2011, 04:41 PM
Ignition generated spurious RF interference suppression.
Scootertrash
09-05-2011, 04:42 PM
To help control RFI. Snowmobiles and motorcycles etc. have them too. Here is some info for you:

http://www.motorcycleproject.com/motorcycle/text/plugwiretech.html
Thorpe
09-05-2011, 10:42 PM
Its a FLUKE.... (get it? little meter pun...)
just ben
09-05-2011, 11:01 PM
it was done for rf signals before a resistor plug was around such as an ngk "R" plug. without the resistor they could interfere with a nearby tv antenna. all current plugs are resistor type for some reason. how many people still use an antenna to get tv? There was also "shielded plug caps that were metal
zeeker1
09-06-2011, 12:23 AM
Thank you for the responses fellas and especially to you scootertrash for the link. VERY informative........