Mechanics

DOOR LOCKS AND ALARM GOES OFF ON ITS OWN

2002 Pontiac Bonneville • 14,000 miles

2002 Pontiac Bonneville Electrical Problems, door locks work on there own, alarm sounds on own, speedo sometimes reads 120 mph, when going 60
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.d1801
December 7, 2011.




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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