My speed odometer is not working

1992 CADILLAC STS
148,000 MILES
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KEVINGREEN
  • MEMBER
  • 4 POSTS
The mpg reading has lines in it, and the temperature reading has lines in it. it pops in an out? sometimes when I drive it just starts working?
Oct 17, 2011 at 9:02 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
Check grounds and connections.
Oct 17, 2011 at 9:03 PM
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KEVINGREEN
  • MEMBER
  • 4 POSTS
which grounds and conections?
Oct 17, 2011 at 9:12 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
For the information center display and the instrument panel.
Oct 17, 2011 at 9:49 PM
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CADIEMAN
  • ✓Experienced Mechanic
  • 3,544 POSTS
you will have to replace the speedo head.they sell rebuilt panels at the dealer.the panel digits and information will not be displayed.
Oct 19, 2011 at 2:41 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
I bow to the factory-trained expert.
Oct 25, 2011 at 4:46 PM
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