Audio Unit Frequency Interference Suppression Components
WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The audio unit frequency interference suppression components reduce interference transmitted through the speakers by the engine ignition and electrical systems. When installing new audio unit frequency interference suppression components, make sure that a good contact is made at all connections. Remove any paint or dirt between a component and its mating surface. Tighten all nuts, bolts and screws securely. Refer to SPECIFICATIONS .