Call in an alarm fitter or an auto electrician. You may be able to obtain a key with the transponder being coded to the cars immobiliser/alarm system, a good auto locksmith should be able to assist you here. I always check around for recommendatins.
Good Luck
Sounds like you need some to remove the non-factory alarm system.
SOURCE: The car alarm and key pad will not disarm and the car will not start.
Normal system operation - when the burglar alarm is active, the starter circuit is disabled. Is the battery dead or weak in the keyless remote? Also, is the remote you have been programmed for this vehicle? If the answer is 'yes' to both questions, replace the battery in the remote. Otherwise, place your ignition key in the ignition and turn the key to 'run' (or 'ON") wait 5 minutes, the vehicle should start (if the battery isn't dead).
SOURCE: car won't start after change battery
Your vehicle has 2 ignition wires that you can put back to factory, and start the vehicle.
The wires you are looking to put back together are PINK and DARK GREEN - and found under the D/S dash. (ignition harness - right side of steering column) They will be larger in Diameter than the others.
They were cut to install the security system. They go into the "brain" and out the other side. A relay inside the BRAIN is most likely failing.
If you no longer want the alarm installed, simply match up all of the factory colors. Use crimp-on but t-connectors for secure connection.
Let me know if you need more help.
SOURCE: How can I bypass a anti auto theft system on my 1990 cadillac seville?
I Have A Seville 1990, When That Happen To Me I Got The Inginion
Replaced Problem Solved. What Is Happening Is Your Key Has A Chip And That Chip Is A Resister And When The Valve Is Not Sented To The Computer It Disengages the Fuel Pump And Than Tells You To Wait. Soon All That Will Happen Is You Will Get The Wait 3 Mins And It Will Never Start, A Good Locksmith Can Take Care Of This For You And That Will Save You Some Money. Cause If You Go To The Dealer Ouch They Will Hit You Up. But I Asure This Is How It Will Happen Cause It Is How It Happen To Me
And Sorry There Is No By Passing The Computer
SOURCE: 1995 Lincoln Town Car-Electrical system will not shut off
There seems to be a Problem with the electronic part of you Ignition switch. Good Luck
SOURCE: locatio of inertia switch 1990 lincoln town car
Check just above the carpet on the passenger side where your feet go under dash.
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