door locks and alarm goes off on its own

2002 PONTIAC BONNEVILLE
14,000 MILES
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.D1801
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  • 1 POST
2002 Pontiac Bonneville Electrical Problems, door locks work on there own, alarm sounds on own, speedo sometimes reads 120 mph, when going 60
Dec 7, 2011 at 2:10 AM
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DRCRANKNWRENCH1
  • ✓Experienced Mechanic
  • 3,435 POSTS
You may have a ground problem. I am giving you the 2 ground diagrams that have the grounds you should check. Look for corrosion and a good tight contact to bare metal.
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Dec 7, 2011 at 3:03 AM
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