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Thread: Fluctuating Unsteady gas gauge

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  1. #1
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Fluctuating Unsteady gas gauge

    You have a loose wire somewhere. It is grounding out before it gets to the sending unit.
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  2. #2
    Join Date
    Jan 2011
    Location
    SW FLA
    Posts
    184

    Default Re: Fluctuating Unsteady gas gauge

    Back by the fuel tank...theres one pigtail connector that has 3 wires. Black is ground and orang-ish runs the pump & purple goes to the sender. I havent done anything else.This is quite puzzling.I cant imagine what could be grounding out cuz theres just one ground wire & thats securely mounted to the outter base of the fuel pump. hmm weird. well, ty im gonna sleep on this one. cuz im utterly confuzed & tired from working on that truck all day.

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