Car Alarms: 2002 Mercury Sable anti-theft alarm kept going off, mercury sable, dash area


Question
QUESTION: How can I disable or fix my car alarm from going off for no reason at all? We did the turning on car to reset & it worked for awhile but now it is doing it again. Does it have anything to do with my car automatically unlocking while you are driving?
Thank you.

ANSWER: Tell me what your hear and see when the
alarm you are talking about "goes off"

siren and parking lights?
headlights and car horn?

Which?

---------- FOLLOW-UP ----------

QUESTION: headlights and car horn.

Answer
Normally, you would insert the key in
the drivers door, turn left, then right
to disarm and reset it. If yours is malfunctioning,
you would either need to contact Ford to reset it, or
you can disable it for good by doing the following:

The FACTORY ALARM DISARM WIRE IS pink/white
|- negative|at 26 pin plug at GEM,
(general electronics module)
The GEM module is to the left of the steering column.

Once Located, splice into this wire with
a simular guage wire, and put it to
a solid chassis ground. This terminates
the alarm functions entirely.

However, at this point, this car would be exceedingly
easy to steel, so I suggest you get an aftermarket
alarm system to protect it from here on in.

Now, if this is an aftermarket system:
try this.
Put the key in the ignition, and turn forward
all the way just before cranking. Then within
5 seconds, locate, press and hold in the
valet/overide button, found under the
dash area, (push button, spring loaded)
until the installed LED (the blinking light)
in your dash area goes on solid,
and the siren chirps once.

(Your valet switch might be the toggle
(on/off) type. in this case, key on,
flip switch in opposite direction,
then turn the key off.)

This should reset the alarm, and reset
the grounded relay on the starter wire,
allowing you to start the engine.

At this point, the only thing working would
be the keyless entry from the alarm,
if it came equipped that way.

Just Repeat these steps to place it
back to usable armed mode.
You may get 2 chirps, confirming it,
and the lights may flash twice as well.

That should do it.
If you want to remove it at this point,
take it to your neighborhood installer
for this, or buy the wiring chart
(Go to: www.vehiclewires.com)
for the vehicle, and reverse engineer it wire
by wire, until safely removed.

If it does not work out this way,
you will have to replace the system
with one you know how to operate
and what to expect. Don't want to
get stuck in another bad situation.

Let me know what happens.

ALARMTEK
CARALARMSTORE.com