Ignition systems, charging systems and electrical devices create magnetic pulses that are of the same frequency range as AM radio, resulting in radio interference or noise. Radio noise suppression capacitors divert this noise to ground so it isn't heard through the radio speakers as an annoying buzz or whine.
|Model Year||1972, 1973, 1974|
- OE GM PART #: 1852715
*GM part # provided for lookup purposes only.