Question about Chevrolet Silverado 1500

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Have a 1999 Silvrado. Has the factory alarm/security sytem. Fobs quit working years ago so havn't used it. Starting a couple of days ago it would just start going off. Cycle the door locks or ignition key and will shut off. Sometimes followed 5 or 6 horn beeps and it starts blaring again. Help me with my gremlins. Thanks Paul

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  • Paul R. Miles Apr 10, 2011

    Hello Ditech. I am waiting for my load tester to arrive from Harbor Frieght. I charged the battery for several hours last weekend after reading your comment. It seems to help. Thank you.
    Paul

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The first thing I would do would be to give the battery a good load test. I have seen low or partially shorted batteries cause all kinds of problems with engine computers, body control computers and security modules. Many times, the customer states that the vehicle seems to start and run ok. When I load test the battery I find that it is only at 40% of its rated capacity. Computers do all kinds of wierd things when they get hungry :)

Posted on Apr 03, 2011

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