Car Alarms: excalibur alarm, chevy lumina, excalibur car

Question
I have a 99 chevy lumina.  It came with an excalibur car alarm (not sure what type) I would like to disconnect this alarm.  As of today, I cannot start my car even though when I press the unlock on my remote, it won't let me start the car.  I believe the kill-switch is engaged but I don't know how to disconnect it.  It has been giving me problems and would just like to get rid of it.  Any help on how to get my car started and/or get rid of this alarm is greatly appreciated.

Answer
Ok, 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, Or part of the LED (blinking light)
(push button or, spring loaded)
until the installed LED
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.

Robert Martin/CEO-ALARMTEK
www.CARALARMINSTALLER.com