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How do I test Gauges to find out why they are not working?

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Author  [Modern View]

10-12-2017 21:01:02

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The gauges on my MF 35 Deluxe Z134 do not work.

Well the oil pressure and Temp does but not the gas gauge and not sure about the ammeter

It has been changed to an alternator so I figure that is why the Tach does not work.

I Have an cheap Equus 3300 multimeter I picked up from Wal-Mart several years ago but I have only used it for checking the charge on 12volt batteries.

How do I use the tool to check the gas gauge and ammeter to see why they do not work?

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10-15-2017 21:41:23

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 Re: How do I test Gauges to find out why they are not workin in reply to bcraig2N, 10-12-2017 21:01:02  
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I think I understand about grounding the wire going to the tank but I do not understand what put a simple load on the non battery side means !

I do not know hardly anything about electricity ,would appreciate some clarification .


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10-13-2017 08:51:26

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 Re: How do I test Gauges to find out why they are not working? in reply to bcraig2N, 10-12-2017 21:01:02  
Gas gauge is simple to test. It uses a rheostat set up so if you ground the wire going to the tank the gas gauge should read a full tank at least on most gauges. The amp gauge you can put a simple load on the non battery side and it should read a discharge

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