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Posted on Jan 02, 2017
On your Buick 94.
The problem is the ANTI THEFT SYSTEM..
If you have replaced the ignition switch.
If you are using a NEW KEY, the car won't start.
Because in the OLD KEY, is there a Resistence with a number of ohm's
The computer need the resistence to activate the the signals to operate the vehicle.
OK.. with the New Key and Old Key you can go to any Aloha Smith and they will remove the Chip from the Old Key to the New Key.
And the car must start and running.
But if you are using the Same Key that you have before the repair made.
I recomend to check the 2 Orange wires from the Ignition lock Cylinder to the steering column lower connectors.
Ok I hope this work for your problem.
Any moree info, I will glad to help you.
I'm a Mechanic and have all the repair information for all the cars.
Thank you for use fixya...
Posted on Sep 11, 2008
It is the security chips in the keys. Has this car been wrecked? Was this car made in Mexico? GM had the bright Idea of creating a security system that would do exactly this, I know on cars made in Mexico (like the HHR) You can reset the power and get the key back out, but vehicle will have to be reprogrammed with the master key. This involves turning the key from off to run position without ever going past run (i.e. start position) leave key in this position for 30 minutes. Turn key back to off for 30 seconds then back to run for 30 minutes. repeat this step three times. the last time, after 3rd 30 minute period, turn key off for 30 seconds and then try to crank. Please note this only works if the original master key is being used. You can then reprogram the second key following a similar sequence, only master key that is working has to be inserted to let alarm system know that vehicle is not being stolen only that you are trying to reprogram a key. If original master key is not being used then vehicle has to be taken to the GM dealership to program keys and possible key module replacement.
Posted on May 30, 2009
Turn the key to "on" and let the light flash. It should stop flashing after about ten to twenty minutes. Once the light is on steady, turn it off, then start the car. I usually put another battery on jumper cables attached to the cars battery so it does not run down and die before the system re-arms.
Posted on Aug 16, 2009
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