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  1. #1
    Member
    Join Date
    Aug 2005
    Location
    springfield, Illinois
    Posts
    141

    2012 DF175 tach question

    I have a 2012 DF175 with less than 300 hours. I had a dash modified and noticed that the tach would not indicate over 1000 rpm while running. All the engine lights on tach and warning beep works. The tach would show engine run time when ignition keyed on but not started. The tach will not move at all now and engine run time will not show but alarms still work. Any ideas? Wires from tach into plug appear good and seated.

  2. Member
    Join Date
    Apr 2012
    Location
    Insomnia, near Seaford Delaware
    Posts
    35,521
    #2
    If it was my boat I would buy or borrow another tachometer. From the symptoms my guess is the pointer electrical mechanism or the mechanical mechanism has failed. The tachometers are pretty cheap on eBay.

    https://www.ebay.com/itm/32109011597...MAAOSwYXVYxvRj

  3. Member
    Join Date
    Aug 2005
    Location
    springfield, Illinois
    Posts
    141
    #3
    Thanks Bill. I kind of figured the needle mechanicals had water get into it. There was water in the dial of the gauge when I got it back. I will get one ordered. Thanks again.