Question about 1998 Chevrolet Lumina

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Security light on and car not starting

Car worked fine, then got in to leave and it wouldn't start, not even turn over. The security light is on and flashing. We took the battery off for 20 min and put the key in and ignition on for 15 min. Nothing! We checked all fuses and replaced some and nothing still. We checked the chip in the key and it's still good.

What's wrong with my car??

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  • 3 more comments 
  • vicksplug Aug 04, 2008

    security light flashing in my car everything worrks as lights, radio, etc. but the car will not turn over. tried the 20 min. thing, unlocking doors with key in door, disconnecting battery. nothing works i need help.

  • Bluberry72 Nov 28, 2008

    I wasted coffee near my radio while driving. About 5 minutes later I shut the van down for about 20 minutes when I tried to restart my van, it would start, then cut off. It did that about 5 times, then, it wouldn't start at all. And also, the light on the dashboard are out. The lights on the clock are on and the headlights are on. What could the problem be?

  • Anonymous Dec 12, 2008

    On my 1998 chevy silverado I drove my vehicle fine stopped at a walmart noticed the security light was on stopped at another place when I tried to crank the truck over it starts but dies while the security light flashes on the dash

  • Anonymous Mar 18, 2014

    the key to my 2007 charger is not turning on my car i read that if you check the number 20 fuse but theres about 4 number 20 fuses which one correspond to the ignition? also something about leaving the key in the ignition turned on for 10 mins. to reset

  • Anonymous Mar 29, 2014

    Runs good but shuts off after 20 min or so



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Put the key in ignition and leave in the on position for 20 minutes and it should start after that. I had the same problem with a 99 chev silverado an it worked for that. Hope it get you going. Thanks.Bear001

Posted on Jun 17, 2008

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A perfect solution is to leave the key in the ignition for 20 minutes it works like a charm. Thanks for your advice. It saved me thousands

Posted on Dec 10, 2013


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