1990 Mercury Grand Marquis - Door Chime won't stop ringing

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Hannibal - 10 Nov 2006 17:31 GMT

Talk about having a ringing in your ears! Our 1990 MGM seems to have a
short of some kind. The door chime rings constantly unless the key
switch is completely off. I have no idea where the short is and for
now, I just want to disconnect the bell/chime (or the fuse leading to
it.) So far, I haven't found the correct fuse. Anyone have any
ideas?! Stop the ringing!! ;)

~Hannibal

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GMach3 - 10 Nov 2006 23:31 GMT

> Talk about having a ringing in your ears! Our 1990 MGM seems to have a
> short of some kind. The door chime rings constantly unless the key
[quoted text clipped - 4 lines]
>
> ~Hannibal

I'll toss it in before everyone else. Liberally spray your door latches
with some WD-40 and open/close the doors a few times. Then after a few days
of evaporations, lube the latches with some white lithium grease.

G

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newbie2@aohell.com - 11 Nov 2006 01:21 GMT

I looked un the the dashboard and completely disconnected my chime. If
you do that, you have to be disciplined about turning off your
headlights or suffer the pain of a dead battery.

=============================================

>Talk about having a ringing in your ears! Our 1990 MGM seems to have a
>short of some kind. The door chime rings constantly unless the key
[quoted text clipped - 4 lines]
>
>~Hannibal

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Fordfan - 12 Nov 2006 07:54 GMT

> I looked un the the dashboard and completely disconnected my chime. If
> you do that, you have to be disciplined about turning off your
> headlights or suffer the pain of a dead battery.

Notice: My lawyer told me to say that the following information is
provided for educational purposes only. In the interest of safety, I do
not endorse it's implementation. :-)

One way to disable a vehicle's warning chime without affecting the
intended functions of that circuit is to disconnect the speaker on the
chime module. This can be done by temporarily removing the module and
breaking one of the wires to the speaker or by cutting the printed
circuit trace which goes to the speaker on the PC board. When the module
is reinstalled it will still work properly but there won't be any
audible chime sound.

AFAIK, no vehicle computer is designed (smart enough) to detect a failed
warning chime speaker, providing the module itself is otherwise
functional. This means there shouldn't be any computer warning
associated with this modification.

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