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1976 Ford F-100 fuel gauge not working properly

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1976 FORD F-100
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 280,000 MILES
1976 Ford F-100 mileage: 280,000. My fuel gauge is not working properly. It will show from empty to half full even when talk is full of fuel. Is the problem with the fuel gauge or is it in the sending unit? My friend said it is the battery. He said I should pick up the battery and put it into a newer truck. All joking aside, thanks for any help you can give me.

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Monday, February 21st, 2011 AT 10:17 PM

1 Reply

Tiny
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  • MEMBER
  • 4,542 POSTS
Try unhooking the wire from the sending unit in the gas tank and with the key on, read the fuel gauge. It should read empty. Now, ground the sending unit wire and it should read full. If this is the case, your sending unit needs replacing. If not, it is the gas gauge.
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Monday, February 21st, 2011 AT 10:20 PM

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