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Faria Voltmeter combo gauge issue

Old 06-01-2016, 07:33 AM
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Default Faria Voltmeter combo gauge issue

Faria Tach/fuel/voltmeter combo gauge.

Tach and fuel working fine. With the engine running and the nav lights on (to light up the gauge), I get 14 volts (or so) when I test the various screws on the back, except for one where I get like 3 volts or something, which is most likely the fuel screw. So I've identified the backlight screw, and the fuel gauge screw, but can't figure out which one is the voltmeter screw or the tach screw. However, since I'm seeing good voltage on both, my theory is, the alternator is working fine, the wire is good with good connection to the gauge, and I've got good ground. My guess is, the gauge is bad (it IS a Faria).

Ideas?
Old 06-02-2016, 12:27 PM
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Anyone?
Old 06-02-2016, 12:42 PM
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Originally Posted by blouderback View Post
Anyone?
How about a quick call to Faria?
Old 06-02-2016, 12:51 PM
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Call Faria, pretty good to deal with. I think they are in CT. They do get a little slow with repair turnaround as the season gets going.
Old 06-02-2016, 10:31 PM
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I don't believe Faria lists any combo tach/voltage /fuel gauge presently, but they do have this diagnostic advice regarding a discreet voltmeter:
IS0100_Voltmeters.pdf

And this Voltmeter with Tach and Hourmeter is the closest combo I could find to what you state you have:

IS0330a.pdf

And they offer this:
http://faria-instruments.com/site_manuals/IS0100m.pdf

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