Speedometer jumps between 20 and 40 when stopped

Tiny
JESSY
  • 2002 FORD TAURUS
  • 100,000 MILES

The speedometer jumps between 20 and 40 mph when stopped. My blinkers also blink double time when the speedometer does this. Also, when I turn my lights on, the car speeds up, and shudders like it is going to die. It does not do this every time, and it just started today.

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Saturday, May 5th, 2012 AT 8:53 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,514 POSTS

Check battery cables and all grounds around the battery. Sounds like a bad ground issue

Roy

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Saturday, May 5th, 2012 AT 8:59 PM

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