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04-12-2013, 08:22 PM
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#1 |
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Registered User
Join Date: Feb 2013
Location: Summerville SC
Posts: 23
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Gas Gauge
I have been restoring a 1977 C-10 for 4 years. I am putting the dash back together and have encountered a problem. I installed a new gas tank, sending unit/float, wiring and gauge. I wired the gauge straight to the truck as I am using a combination of factory and aftermarket gauges. I ran a switched hot to the gauge, a ground and a wire to the sending unit at the tank. The tank sending unit has a good ground. I put about 8 gallons of fuel in the truck and the gauge is reading full. Any suggestions or anyone know what I have done wrong?
Thanks for any help |
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04-13-2013, 10:18 AM
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#2 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Gas Gauge
Hope this gets a reply so I am taking it back to the top for you. I have the same problem with my '67.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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04-13-2013, 10:33 AM
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#3 |
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Registered User
Join Date: Apr 2012
Location: Loretto Ky
Posts: 318
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Re: Gas Gauge
do the gauge and the sender use the same ohm range?
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04-13-2013, 12:03 PM
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#4 | |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,975
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Re: Gas Gauge
Quote:
1973-1991 squares use 0-90Ω senders. I believe the 1967-1972 were 0-90Ω. The 1947-1965 fuel senders were 0-30Ω. 1966 could be either but I'd bet its 0-30Ω. I've read both... AMC, IH, Ford, Jeep, and Chrysler use different ohmages.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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