Question about 1998 Buick LeSabre

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Security light comes on steady, car wont start for aprox 2 min. i have changed out anti theft module,used diffrent key and have check ign. cyl wires all is okay,,,what am i missing

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You have not replace the pickup harness in the ignition switch, This is part of the barrel assembly, it actually reads the key. it has two wires in a yellow insulation sleave which connects from the barrel to a plug underdash. the other end to the plug has two wires in it that are purple, and white. which send the key resistance to the security module. you can bypass this wire harness if you can match the resistance from the key and hook it up to the purple and white wires under dash.

Posted on Oct 03, 2009

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Yes, the key,ignition, or Theft Deterrent Module is not funtioning properly. You can start changing these out 1 by 1, or bypass the whole system for about the cost of a new key. This link explains and will help you.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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