Question about 2002 Pontiac Firebird

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2000 firebird car won't crank security system won't let it...how do I fix it.

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Not sure if it suddenly happened or what, but that little resistor in your key makes contact with 2 wires when you insert your key, they run down your column they can break over time and will keep your vehicle from starting...problem is you cannot just tie them together as your PCM is looking for resistance and it could be one of like 11 different ohms...best way to find out is to find the plug with 2 small(possibly yellow) wires and verify resistance with an ohm meter, without key you should read nothing, and with key inserted you should get an ohm reading...if you do not get any reading with the key IN...thats your problem

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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SOURCE: I havw a 1997 firebird

Been there: had broken wiring in the key cylinder -- wouldn't read the 'chip'. Dealer dinged me for a whole assembly, meaning a new key-cut .. and new IGN keys !
Learned later that I 'could' have bypassed the chip-reader with $1.59 of resistors from RadioShack ..

Posted on Jul 30, 2011

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It want crank by the key I cross the relay and starts but only runs for a few sec


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How to disable security system on 2001 firebird


It is tied into the pass-key system that disables your car as part of vehicle security. You would have to by pass the pass key system which would make it vulnerable to theft as any duplicate key or broken ignition could start the car. In my estimation if it ain;t broke don't fix it or you might wind up with an inoperable car. There is more than mechanics involved ...codes and software programmed into the bcm will disable the starter, pump and injectors.

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The security, antitheft, or passlock light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle.
This link may help you find ways to bypass this or fix it yourself.
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1 Answer

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The security light could cause the engine not to crank, so if it cranks the security system is not involved.
You would need to check for voltage at the coil and fuel pressure at the injectors to proceed.

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1 Answer

2000 firebird won't start


not much to go on by the question but there are three things a car needs to run:
fuel-check for delivery should have pressure on fuel rail
air-
spark-
if you want more info i need more info

Dec 19, 2011 | Pontiac Cars & Trucks

1 Answer

I havw a 1997 firebird security light comes on and car won`t crank. Keyfob does nothing. Could it be the antitheft module?


Been there: had broken wiring in the key cylinder -- wouldn't read the 'chip'. Dealer dinged me for a whole assembly, meaning a new key-cut .. and new IGN keys !
Learned later that I 'could' have bypassed the chip-reader with $1.59 of resistors from RadioShack ..

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2 Answers

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With the security system I have been told you can get a sensor that you plug into your security system that came standard with the car. THis system is located under the plastic that covers your speakers on the passenger side in the back. If you unplug the sensor and then pick up a relay from radio shack it acts the same as reading your key that is in your car and will allow you to roll the windows up or down when the key is in the ignition

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1 Answer

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sounds like it needs an ignition switch. the reason it dies after a few seconds after jumping the starter is bc the security system from gm thinks you're stealing the car so it kills the fire. the security system goes thru the key so if the switch is bad, it wont run no matter how you try to crank it

Oct 24, 2009 | 1998 Pontiac Firebird

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