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Old 09-22-2012, 11:21 PM   #1
T2vigil
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Fuel Guage Issues

First I have a 64 Chevy C10 with guages not the idiot lights. I aquired a guage cluster from what I assumed to be a 66. It had guages along with a tach. In rebuilding my dash I swapped the fuel guages. The old fuel guage was reading just under 1/2 full. Now the swapped fuel guage reads almost full. Does anyone have any ideas why they would read so differently? FYI I checked both of them with an ohm meter and they read 38 to 40 ohms.
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Old 09-22-2012, 11:45 PM   #2
KJSR
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Re: Fuel Guage Issues

Maybe a bad gauge?
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Old 09-23-2012, 07:05 AM   #3
lucifer
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Re: Fuel Guage Issues

I had a similar situation and I did some reading. It looks like the 1966 guage was for a 90 ohm sender and the earlier ones used a 30 ohm sender. I ended up matching teh correct year sender to the gauge and the problem was solved.
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Old 09-23-2012, 08:30 AM   #4
T2vigil
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Re: Fuel Guage Issues

That is what I thought at first but the part numbers on the two guages were the same.
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