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07-26-2003, 05:43 PM
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#1 |
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Registered User
Join Date: Aug 2002
Location: Waxahachie TX
Posts: 773
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fuel gauge question
i just installed a under bed tank and ran the wire up the gauge it worked fine for a few days then quit when i hook it up it reads emty when i unhook it it goes way past full,should i test the wire with an ohm meter or what else could it be my ground is good and it was workin but no more really sucks not knowing how much gas i have any advise?
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07-26-2003, 06:21 PM
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#2 |
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Thats the Hillbilly way
Join Date: Jul 2001
Location: Torrance,Ca
Posts: 5,979
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If I remember correctly that means there is a problem with the sending unit ,could just be a float filled with gas.
Good Luck.
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07-26-2003, 06:26 PM
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#3 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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It is supposed to go way past full when it is unhooked. Either the float is full of gas as Bill suggested, or you have a bad sending unit. Testing the resistance wouldn't be a bad idea. I think the fuel guage works form 30-90 omhs, 30 being full and 90 being empty....so if you fill the tank and the wire reads 30 omhs, your float is proably full of gas. I'm not totaly sure on the omhs readings....anyone else know for sure?
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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07-26-2003, 06:44 PM
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#4 |
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Registered User
Join Date: Sep 2002
Location: Melbourne,Florida
Posts: 174
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go to your sender and ground the wire and have someone watch the gauge( with the key on) if it pegs your sender is bad, if no change go to the gauge and ground the terminal for sender if the gauge pegs its the wiring if no movement its the gauge, as long as you have 12 volts to gauge lol
Kman
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New 89 chevy 1500 driver 72K20 rust bucket project stripped down to the frame engine rebuild started 71 Blazer - another procect |
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07-26-2003, 07:59 PM
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#5 |
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Registered User
Join Date: Aug 2002
Location: Waxahachie TX
Posts: 773
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sender
ok heres what i did i turned on the key gauge was on e then unhooked ground it pegged out,hooked back up and back to e must be the float then huh? how could it have got gas in it a pinhole or what?
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07-26-2003, 08:44 PM
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#6 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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I don't remember who it was but someone on this board bought an underbed tank that had a bad float right out of the box
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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07-26-2003, 10:43 PM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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A pin hole, or more likely, a bad soldering job assembling the float.
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