Econoline E450 V8-5.4L SOHC VIN L (1998)
Radio/Stereo Noise Filter: Description and Operation
The radio suppression equipment reduces interference transmitted through the radio speakers by the engine ignition and electrical systems. When
replacing any radio suppression equipment components, make sure that a good contact is made at all connections. Remove any paint or dirt from
between a component and its ground. Tighten all connectors and screws securely according to torque specifications.