Car Alarms: alarm system diable/deactivation, alarmtek, mercury mountaineer

Question
QUESTION: On my 1998 Mercury Mountaineer, the alarm went off for no apparent reason, it did it twice, now the vehicle won't start, when I turn the ignition on I get complete silence and nothing else. The battery is new, your normal bells and tone sound off, but after that nothing, this is a factory anti-theft alarm system. how can i get my car running again, and disable this system

ANSWER: Well, there are 3 possible reasons because
there are definately 2 factory and maybe 1 after market
system at work here.

Please be more descriptive if possible.

"GOING OFF?"

I need to determine whether it's a factory alarm
issue or, if it's an aftermarket system you are
dealing with.

Is it: Headlights flashing, car horn honking
and a worded SECURITY" light in the dash flashing?
(doubtfull since none of the notes show this
car as having a factory alarm system)=FACTORY

Or,

is it: flashing parking lights,
an LED in the dash area, and a siren
going off?= AFTER MARKET

Let me know more on this to better
advise you on a course of action
to take.

Best Regards,

Robert Martin
CEO/ALARMTEK
CARALARMMAN.com

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

QUESTION: Its factory, the horn sounds off, along with the headlights, and the word theft on the instument pannel

Answer
Troublesome system, and not an uncommon issue
by a long shot.

Ok, unfortunately you are correct,
this vehicle's PATS key
based engine disabling system, is about to stop
recognizing the chip in your key.
Now, my expertise is in disabling
the PATS for remote start applications,
but if it's me, I would suggest the DIRECTED 555F
bypass kit to get around the issue.

This Bypass Module is designed to momentarilly
allow the engine to remote start by sending a proper
coded pulse to open the fuel rail passlock injector
cut off circuit.

The output from an alarm/remote starter
would then shut down the pulse, once it has detected
the engine has engaged, and preserve the integrity
of the PATS system.

That is it's designed purpose.

However, in your case, this input wire on
the IM04 module, instead of going to a
momentary ground pulse from an
alarm/remote starter, would go to a
constant chassis ground, through
the bypass module, grounding out the PATS.
The PATS would always be bypassed as long
as that wire is chassis grounded.

I can not speak about a damaged PATS system,
like if a thief has destroyed it, because I do not
get into this part of FORD'S security application.
But as a happy coincidence to installing
after market remote starters, this does work on bypassing
trnasponder in most all FORD vehicles we've run into,
including your year FORD vehicle as well.

Also, this is a self learning, resistor sensing
and adjusting module. Once the PATS wires have been tapped,
you would press the program button to learn,
and it does. The car should then allow start
with any hardware store key.

I can't guaranty it would work here,
but for 70.00 might be the best shot you have
before the "totalled" diagnosis can be verified.

Hopefully, it will work on this one.

Regards,

Robert Martin-ALARMTEK/CEO
Master Technician
Mobile Security Electronics
www.BYPASSMODULES.com