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    3. Why did my tach stop working on my 2004 Gmc 3500? Speedo still works. Could this be from mice?
    Why did my tach stop working on my 2004 Gmc 3500? Speedo still works. Could this be from mice?

    My truck sat inside of a garage Oct. thru Dec. 2012 with other gauges ie fuel

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    0  Views: 1095 Answers: 2 Posted: 12 years ago
    Tags: electrical wiring
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      2 Answers

      Have a mechanic look at it. It could be due to mice or many other things. Guessing is not the best way to repair a vehicle. 

      12 years ago. Rating: 0
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        miccousin

        Thanks Colleen but not much help
        commented 12 years ago
        Colleen

        Moderator
        Sorry but unless I can be there looking at the truck and trying things, it's difficult to be of any help.
        commented 12 years ago

        Theres a electronic box on the sid of tranny tnat has gone out on a 2002 and this truck where the speedo completely stopped work, and I replaced it( that worked) My speedo once in a while will act up by reading incorrectly. This box may be the tranny computer nd might control the tack as well. nyone know?

        12 years ago. Rating: 0
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