Question about 1996 Lexus GS 300

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Lexus alarm 1996 lexus GS300 alarm won' t stop unless battery is disconnected

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  • papaleo19723 Jan 13, 2009

    alarm goes off when started until diconnected


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My GS 300 arlarm kept going off now for two months unless the battery is disconnected; the solution to my problem was that my key had an electrical fault. I confirmed it by placing the faulty key within a metal box or a steal pot with a heavy lid. upon doing so it stopped going off. I later purchased a new key

Posted on Jan 16, 2011

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There is an anti-theft relay that is stuck open. that needs to be replaced. I'm unsure of the location, probably under the dash somewhere. it will be a small, plastic box about the size of a pack of cigarettes.

Posted on Sep 17, 2009

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I would say you have two options, You can take it to the dealer and have it disconnected, or you can go to an aftermarket car stereo/alarm store they will install an aftermarket alarm and disable your stock one at the same time, for probably about as much as the dealer would charge to just disable it. First just call the dealer to get a quote on how much that would cost, and then call the alarm place and get a quote.

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