Replacing the Component
Try a new windshield antenna amplifier.
Ignition off.
Reinstall the connectors, components etc.
Ignition on.
HINT: Check radio reception by testing the audio unit in another car in the same location.
Test radio reception.
If the reception is still poor try a new sub-antenna amplifier.
Ignition off.
Reinstall the connectors, components etc.
Ignition on.
Other information: