Question about 1991 Pontiac Firebird

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I have lost my keys to my 1991 pontiac firebird my key has the chip in it for the anti thft system is the a way to bypass the security system so I can replace the lock with a standard ingition lock

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There is a way I've seen it done but never have done it myself. That "chip" is like a resistor for the anti theft system. When I asked the guy how he bypasses it, he stated, "I find the correct resistance needed, then add a resistor in line so that it bypasses the ignition switch." This way the orginal keys will work even if they don't have the "chip." Now the vechile he did that on he still had the key with the chip. The chip or ignition cylinder wasn't contacting each other so it would sometimes run and sometimes wouldn't. So I don't know if he tested the key or if there is a different way. I know this isn't much help but I KNOW it can be done.

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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