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Fuel gauge

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Fuel gauge  Empty Fuel gauge

Post by SSTOOLMAN on Sat Jun 20, 2020 7:18 pm

Hey guys, about a month ago I filled up my 73 and the gas gauge went to full and has stayed there ever since. I probably went through 1/2 a tank with no movement, i filled up again and went through maybe half a tank again and still on full. Whats the best place to start?
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Fuel gauge  Empty Re: Fuel gauge

Post by Hs1973 on Sun Jun 21, 2020 4:57 am

i would start by looking at the wiring to see if the wiring is ok if you put the gauge wire to a Ground it will show full. Or it could be that the needle is stuck in the gauge, mine does that some times if i go around a corner with a quarter tank, the needle goes to empty and stay there until i tap the glass gently then it will come loose. But my main guess is that your gauge wire is broken or pinched and therefore is grounded making the gauge show full.
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Fuel gauge  Empty Re: Fuel gauge

Post by Hs1973 on Sun Jun 21, 2020 7:20 am

Forgot to say that the wiring to the gauge has a connection in the trunk right around the latch. Try and unhook the gauge wire and see if it changes anything, if not tha gauge itself could be dead. Unfortunatly the rest of the wiring is on top of the gastank and is not accesseble unless you drop the tank, wich can be a Challenge. However it could be a good time to clean an inspect hoses and wiring and even change the sending unit and get the tank cleaned inside and out.
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Fuel gauge  Empty Re: Fuel gauge

Post by SSTOOLMAN on Sun Jun 21, 2020 9:23 am

Thanks! I will start there.
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Fuel gauge  Empty Re: Fuel gauge

Post by Hs1973 on Sun Jun 21, 2020 10:05 am

You are welcome hope it helps and you find the fault. I hate running out of gas somewhere.
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