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1979 blazer tach

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ken2040, Apr 2, 2001.

  1. ken2040

    ken2040 Newbie

    Joined:
    Apr 2, 2001
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    Location:
    bay area calif
    it is wacko bought it that way
    reads like 2500 when it should read 600
    and peged the rest ofthe time any help with this one
     
  2. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

    Joined:
    Feb 17, 2000
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    Location:
    Atlanta
    There are 2 springs (They have a name and I don't remember it) on the shaft that the needle attaches. They are broken. If one was broken it would read 1300 like the one in my wifes 79. Not something you can repair yourself. If your set on having the factory tach work http://grimsk5s.coloradok5.com/
     

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