GAS GAUGE TO WORK IMPROPERLY?

  • Tiny
  • cuso
  • 1997 Cadillac STS
  • 130,000 miles

1997 Cadillac sts 4.6 If I hooked up the two black wires on my fuel pump wrong, would this cause the gas Gage to work improperly?

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Wednesday, February 29th, 2012 AT 8:37 PM

9 Replies

  • Tiny
  • rasmataz
  • Member

The gray wire is the power to the fuel pump and black goes to ground- dunno where the other black wire goes-no wiring diagram for the fuel sending unit-sorry

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Wednesday, February 29th, 2012 AT 8:54 PM
  • Tiny
  • cuso
  • Member

There are two blacks a gray and a purple

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Wednesday, February 29th, 2012 AT 8:56 PM
  • Tiny
  • rasmataz
  • Member

Did you replaced the fuel pump?

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Wednesday, February 29th, 2012 AT 9:17 PM
  • Tiny
  • cuso
  • Member

Yes I replaced it

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Wednesday, February 29th, 2012 AT 9:19 PM
  • Tiny
  • rasmataz
  • Member

Double check the wiring from the connector to the fuel sending unit

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Wednesday, February 29th, 2012 AT 9:46 PM
  • Tiny
  • cuso
  • Member

Could it be a bad connection or something?? Is that what you think happened?

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Wednesday, February 29th, 2012 AT 9:48 PM
  • Tiny
  • rasmataz
  • Member

Dunno, you just have to backtrack your work if its working prior to replacing the pump-

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Wednesday, February 29th, 2012 AT 10:11 PM
  • Tiny
  • cuso
  • Member

The Gage dis work prior to replacing the pump. By the way thank you for your help. Does this seem like a wiring issue or maybe the float?

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Wednesday, February 29th, 2012 AT 10:15 PM
  • Tiny
  • rasmataz
  • Member

Open it up and recheck wiring and float resistances

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Wednesday, February 29th, 2012 AT 10:23 PM

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