Noise Sometimes Appears On Fm During Traveling - Dodge Stealth 1994 Service Manual

Is the antenna completely extended?
Does the problem clear up when retuned?
Does the problem appear o
locations and only with ce
Are connectors properly connected?
Does noise appear when the radio switch is
turned on while the vehicle is stopped and the
radio is struck while tuned away from a station?
Is the radio body correctly
(Is the mounting screw tightened securely? )
Is the antenna correctly grounded? (If noise
appears when the antenna is moved, this means
the ground is not securely connected.)
Repair or replace radio.
Because the frequency of FM waves is extreme-
ly high, it is highly susceptible to effects from
geological formations and buildings. These
effects disrupt the broadcast signal and obstruct
reception in several ways.
Multipath noise
l
This describes the echo that occurs when the
broadcast signal is reflected by a large obstruc-
CHASSIS ELECTRICAL
Yes
No
No
Yes
Yes
Yes
Yes
No
OK
Due to electrical field conditions.
(Multipath noise*, fading noise*).
No
Check connector connections.
Static electricity noise:
No
Body static electric from the shock
absorber rubber bushings used to
prevent vibration, tires, etc. occurs
because of separation from the
ground, causing a buzzing noise.
Since no measures can be taken on
the radio side, steps should be taken
to discharge the static electricity
of the vehicle body.
Tighten the screw securely.
If rust is present on the antenna
No
ground screw, clean and tighten
the ground securely.
tion and enters the receiver with a slight time
delay relative to the direct signal (repetitious
buzzing).
This is a buzzing noise that occurs when the
broadcast beam is disrupted by obstructing
objects and the signal strength fluctuates intri-
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