2007 Buick Rendezvous flashing dashboard lights

2007 BUICK RENDEZVOUS
120,000 MILES
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FRUSTRATEDINMO
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when the engine is pushed to accelerate quickly, the battery light comes on. when pushed very hard all of the warning lights on the dashboard come on and the seatbelt alarm rings as well. at times under the hard push the engine seems to bog down a little bit as well.
Jun 5, 2013 at 11:47 AM
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DOCFIXIT
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Have you had ALT output testyed and BATT load test?
Jun 5, 2013 at 11:54 AM
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WF2304
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I'm having the same problem at 90,500 miles. Started after a tune-up; tried replacing battery and alternator; did not fix the problem; did you find a solution?
Jul 10, 2013 at 1:30 PM
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DOCFIXIT
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So what happened?
Aug 13, 2013 at 11:53 AM