Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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#474456 09/21/22 02:16 PM
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TG1931 Offline OP
Shade Tree Mechanic
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Shade Tree Mechanic
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Fuel gauge reads on my 31 Independence reads 1/4 no matter the fill amount. Replaced the floats and still the same issue. Grounded the negative point on the gauge and it goes to empty. What gives? Is it the sending unit or gauge itself that's defective?

Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


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ChatMaster - 4,000
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there was a few post on HOW to test each item...

i know on the fuel gauge(sending unit) on my 1930 i did a wire ground. wire from one of the screws to clean metal ground. but you can use a meter and disconnect the wire going to dash. and you should be able to read resistance via moving arm/float up and down.

there is a post about this : 1931 Fuel Gauge Question

also covered in an article linked in your earlier post about your fuel tank, from TFS :)


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Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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TG1931 Offline OP
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Wow! Read the post and amazed how difficult a cure can be for what was believed to be a simple car. Maybe I just buy a stick!

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testing the sending unit is quick and easy, maybe 10 minutes
that will let you know which end the issue is.


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Love the Antique Chevrolet's from 1928-1932
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Backyard Mechanic
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Finding the issue may be simple sometimes but there are situations where it is not easy. I too am having a problem with my fuel gauge. I test it off the car and it works perfectly. I install the sending unit in the tank and I use some leads to connect to the tank to the car system and it works perfectly. I use a piece of wire through one of the screw holes and operate the sending unit and it works well. I install the tank and make all the connections, fill the tank full and the gauge goes to half only. So, finding the solution is not always easy. I still have the problem.


Paul
If it isn't broken, fiddle with it anyway so you have something to repair.
1931 Deluxe Sport Roadster
1953 BelAir 4 dr. Sedan
1965 Chevy II Nova SS

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