Question about 1999 Pontiac Bonneville

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I have a 1999 pontiac bonniville and when i turn the key on there isnt any power to auto headlights dashlights radio all usually would come on just by turning the key forward. well a week ago the car stalled out we unplugged the mass air flow sensor and it started so we replaced that and it ran great for a day or more. then all at once it lost everything wont even turn over. we checked fuses, charged battery. cleaned terminals, even tried turning it over by jumping the starter with the key on, but got nothing it wouldnt even fire. we came to the conclusion it is the key or ignition. if you could let me know what you think it could be or if i should check anything else out please let me know what it is and where it is located it would be very appreciated. thanks,

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Posted on May 20, 2011

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