1989 Chevy Truck Speedometer

1989 CHEVROLET TRUCK
98,500 MILES • V8 • 4WD • AUTOMATIC
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BANNER VIEW DR
  • MEMBER
  • 1 POST
If ambient air temperature is above 80 the speedometer does not register. When it is cooler the speedometer works fine. In the winter months it's OK but with summer it is not working most of the time.
Jul 2, 2010 at 4:11 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check the resistance int eh sensor, it may be bad. and the heat is effecting it.
Jul 10, 2010 at 6:53 AM
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