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    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

    0  Views: 1049 Answers: 2 Posted: 11 years ago

    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. 

    miccousin

    Thanks Colleen but not much help
    Colleen

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

    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?



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