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Voltmeter Gauge Or Ammeter


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#1 rockingham grappler

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Posted July 16 2015 - 10:47 PM

i have a farmall 140.  The gauge only has a D on the left and a C on the right.  Is this a voltmeter or an ammeter? I'm tring to rewire it. Thanks for the input.



#2 farmall3030

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Posted July 28 2015 - 10:33 AM

 How many terminals are on the back of the gauge ? Usually if you have a volt meter the needle will sit to the far left . With a amp meter the needle will sit in the middle. the way you are describing it , it should be a amp meter. if you hook the wires up backwards the gauge will read the opposite of what it should read. 



#3 farmall3030

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Posted July 28 2015 - 10:34 AM

 How many terminals are on the back of the gauge ? Usually if you have a volt meter the needle will sit to the far left . With a amp meter the needle will sit in the middle. the way you are describing it , it should be a amp meter. if you hook the wires up backwards the gauge will read the opposite of what it should read. 






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