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Old 10-05-2011, 10:02 PM   #1
MisterC
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Fuel Gauge Issue

My fuel guage wouldn't go above a quarter of a tank. The truck came with an extra sending unit, which looked somewhat used, so I changed it out this past weekend. It worked perfectly until today when I filled the tank up for the first time since changing it out. Now the gauge acts exactly like it used to.

Any suggestions???
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1966 C10 Custom Cab "Luigi"
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Old 10-05-2011, 10:20 PM   #2
SS317
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Re: Fuel Gauge Issue

Check your grounds and clean any terminals. I had mine not going all the way full and I cleaned up all of the connections and it works good now.
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Old 10-05-2011, 11:28 PM   #3
MisterC
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Re: Fuel Gauge Issue

Thank you. I'll give that a try.
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Poor and content is Rich...and Rich enough! - William Shakespeare
1966 C10 Custom Cab "Luigi"
Big Window - SWB Fleetside
350 V-8 - Powerglide


My not so much a build thread as a "Slow Progression Thread":http://67-72chevytrucks.com/vboard/s...d.php?t=486894
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Old 10-06-2011, 01:05 AM   #4
shuvl
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Re: Fuel Gauge Issue

Same problem here. Found some info on the net about an original sending unit with a newer gauge. A resistor needs to be put inline. The site also mentioned using a pot. inline to fine tune it. I've not got around to trying it yet but I think I saved the link to the info. I'll post it here if I have it.
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