MINE was worn out, along with the salvage replacements. I believe yours is as well.
Sorry, the Electrical troubleshooting book calls it a buzzer. (Ford engineers may have had a lot of buzzing in their ears) Mine sounds like a chime, as well.
The dash does not have to be removed, the glove box does. If you open the door to the glove box and empty it (if it has a lot of stuff in it like mine did), you will see the screws holding it in place.
There are four screws holding the box to the door. There are also two rubber "stops", one on each side of the box, that limit how far out the box and door assembly open. If you pull the sides of the box inward gently, the "stops" will clear the sides of the dash opening, allowing the whole thing to open alot further than normal. Once you have done this, it is easy to remove the four screws holding the box onto the door. After removing the box, you can easily get to the buzzer (chime) on the upper left side of the dash opening.
As I recall, there is one screw holding it in place, and a harness connector that will need to be removed. Reassembly is the reverse of this proceedure.
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