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04-19-2008, 05:16 AM
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#1 |
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Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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fuel gauge sending unit testing
I have installed my tank and it is empty of course ( will have to take out another loan to fill it) HA! anyway i decided just for kicks to put a meter on the terminal and ground .............it has full continuity through the meter. I assume this is typical since the gauge and al;l worked fine before the tank was removed////?????????
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69 K-20 cloned to a 67 with front clip and some other stuff. 383 .040 over Crane roller cam lifters and rockers ,1.6 intake ratio, Open chamber heads, 9.5-1 compression ratio, 2.02 intake valves , Edelbrock performer Air Gap manifold Carter AFB performer 750cfm, MSD ignition, SM465 NP205 4.10 gears: 
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04-19-2008, 05:35 AM
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#2 |
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Trucks N Tranzams
Join Date: Dec 2002
Location: North Las Vegas, Nevada
Posts: 816
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Re: fuel gauge sending unit testing
If the tank is empty, the meter will show 0 ohms or no resistance. You can always remove the sender from the tank and test it as well. When it is full it will show 90 ohms.
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 Don'68 Chevy LB 383 TH400/GV/373 posi '56 Chevy 4WD SWB '64 Chevy short stepside '79 Trans Am 455/TH2004R/12blt/4whldisc 95 Kia (Wifes car) 2002 S-10 extended cab pickup "God punishes small sins immediately" |
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04-20-2008, 03:34 AM
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#3 |
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Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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Re: fuel gauge sending unit testing
so what I see is full continuity or zero ohms?
__________________
69 K-20 cloned to a 67 with front clip and some other stuff. 383 .040 over Crane roller cam lifters and rockers ,1.6 intake ratio, Open chamber heads, 9.5-1 compression ratio, 2.02 intake valves , Edelbrock performer Air Gap manifold Carter AFB performer 750cfm, MSD ignition, SM465 NP205 4.10 gears:
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04-20-2008, 03:37 AM
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#4 |
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Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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Re: fuel gauge sending unit testing
sorry, I don't use OHM meters enough to understand. I use them as a continuity tester or a volt meter to trace wires with. If I follow you, the fact that the meter goes way up , meaning good continuity to me, when the meter is set on the ohms scale, then if it was full the meter would read low?
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69 K-20 cloned to a 67 with front clip and some other stuff. 383 .040 over Crane roller cam lifters and rockers ,1.6 intake ratio, Open chamber heads, 9.5-1 compression ratio, 2.02 intake valves , Edelbrock performer Air Gap manifold Carter AFB performer 750cfm, MSD ignition, SM465 NP205 4.10 gears:
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04-20-2008, 05:09 AM
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#5 | |||
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Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,356
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Re: fuel gauge sending unit testing
No ohms=continuity, when in the empty position, when sending unit is moved to full position the meter should be reading 90 ohms.
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69 Custom-10 SWB FLEETSIDE  350/350 TH Dropped 3.5/5.5"Help support the board->HERE Board vendors -> Vendors list Zip:40272 Big Sandy Survivor... Quote:
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04-20-2008, 07:41 AM
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#6 |
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Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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Re: fuel gauge sending unit testing
Thanks, I will check it out.
__________________
69 K-20 cloned to a 67 with front clip and some other stuff. 383 .040 over Crane roller cam lifters and rockers ,1.6 intake ratio, Open chamber heads, 9.5-1 compression ratio, 2.02 intake valves , Edelbrock performer Air Gap manifold Carter AFB performer 750cfm, MSD ignition, SM465 NP205 4.10 gears:
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