1999 MERCURY MYSTIQUE SPEEDOMETER

  • Tiny
  • cecscuff
  • 1999 Mercury Mystique

My 1999 Mercury Mystique 2.5L V6 58,000Miles speedometer pegged all the way to 130MPH when I turned on the car after changing out a bad battery. It stays there even when I drive. The car seems to be running fine, I just can't tell how fast I'm going. Can you help me troubleshoot the problem?

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Tuesday, March 6th, 2007 AT 8:17 PM

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  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

Try disconnecting the battery again and attach the negative cable first.

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Wednesday, March 7th, 2007 AT 6:36 PM

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