2005 Buick Lesabre Interior Lights

2005 BUICK LESABRE
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GRNEYES
  • MEMBER
  • 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 9:50 AM
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DENNYP
  • ✓Experienced Mechanic
  • 1,824 POSTS
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 2:53 AM
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