TwinTurbo.NET: Nissan 300ZX forum - 1991 TT Speedometer Issues
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Subject 1991 TT Speedometer Issues
     
Posted by safleTT on November 30, 2020 at 4:01 PM
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Message I just purchased a 1991 TT. It is my first 300ZX and everything is great except for the speedometer. I have been reading the forums and know that the speedometer is a know issue on the Z. The car has a brand new speed sensor so i doubt that is the issue. I have pulled the gauge cluster for inspection. I cannot see anything wrong quite yet. Does any have any ideas on how to diagnose and fix the issue?

Symptoms:
-Speedometer is inoperable 98% of the time.
-Odometer and trip indicator operate normally
- Power steering operates for the first 5 minutes of driving then steering becomes hard and HICAS light illuminates.

     
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