2002 Pontiac Bonneville Repair Question
Asked on December 7, 2011
2002 Pontiac Bonneville Electrical Problems, door locks work on there own, alarm sounds on own, speedo sometimes reads 120 mph, when going 60
Door locks on own, alarm goes off on its wn
Asked by .d1801Answer
Replied on 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.
