2005 Buick Lesabre Interior Lights

2005 BUICK LESABRE
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GRNEYES
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  • 1 POST
Electrical problem
2005 Buick Lesabre 6 cyl Wheel Drive Type unknown Automatic 20000 miles
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Why will the interior lights still come on when I disconnect the battery?
Dec 21, 2007 at 5:50 PM
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DENNYP
  • ✓ASE Certified Mechanic
  • 1,824 POSTS
  • ASE Certified Mechanic
You must have some other source of 12volt power to the BCM. That is the only way for the lights to be coming on.
Dec 23, 2007 at 10:53 AM
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