car wont start battery light on then security light also loud buzzing noise when try to use blinkers

2003 CHEVROLET IMPALA
91,000 MILES
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GRLD63
  • MEMBER
  • 11 POSTS
when the car would not start and the key in the on position battery light then security light flashing no bells then out of anger i smack the dash board above the hazard switch and every thing seemed to reset it self the blinkers worked and i was able to start my car could the hazard switch cause all these problems
May 26, 2012 at 3:54 AM
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DRCRANKNWRENCH1
  • ✓Experienced Mechanic
  • 3,435 POSTS
It could be the turn signal relay. It could also be the connection to the immobilizer unit or in the unit itself.
See if there are any "Service Bulletins" on it at your local dealership.
Also have the trouble codes pulled. Any Advance Auto or Auto Zone will do this for free.
May 26, 2012 at 5:45 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
It could be a loose connection somewhere and the bashing of the dash might have reset the the problem.
May 26, 2012 at 5:49 AM
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GRLD63
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  • 11 POSTS
Should I replace the hazard switch
May 26, 2012 at 5:54 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Don't replace anything until you have performed test to certify that it is faulty.
May 26, 2012 at 6:03 AM
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GRLD63
  • MEMBER
  • 11 POSTS
How do I test to see if the hazard switch is the problem
May 26, 2012 at 6:39 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
If the problem does not come back, then it would be difficult to verify what had gone wrong. Most probably a loose connection and intermittent faults are hard to diagnose.

Check for loose ground circuits first.
May 26, 2012 at 8:14 AM
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