Ford Crown Victoria / Mercury Grand Marquis
Front Speaker Replacement Instructions

  1. Speakers don't make any sound:
    • Check the balance and fader settings on the radio. Make sure they are set to send a signal to the speaker in question.
    • Check the connection between the speaker, the wiring adapter, and the factory speaker connector.
  2. Speakers have sound but "rattle" when the volume is turned up:
    • Check that each speaker is tightly mounted. Check all the mounting screws and make sure they are tight.
    • If you used the factory adapter plates, make sure the adapter plate screws are tight as well.

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