Fuel Level gauge is not working need HELP ASAP! - Maintenance and Repair Forum

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Fuel Level gauge is not working need HELP ASAP!
Saturday, June 05, 2010 11:00 AM
please help, i just picked up a aftermarket fuel gauge its 0-90ohms. i know its the right gauge. it has 3 outputs off the gauge 1 is the ground 2 is the power which i tapped into the fuse panel to a 20amp ignition fuse and the 3rd is the sending unit wire. I tapped that wire right into the cluster (purple wire). double checked all conections their all good. When i turn the car on it reads full and i know its not! please help




Re: Fuel Level gauge is not working need HELP ASAP!
Saturday, June 05, 2010 4:57 PM
Go purple wire to ground. Check resistance. Empty should be 90 ohms, full should be 0 ohms, in between will read in between there. With it showing 0 ohms, it's either a bad connection or a bad unit.


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