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FJR Motorcycle Forums
Technical & Mechanical Problems
2004 Fuel gauge stuck on empty
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<blockquote data-quote="NTXFJR" data-source="post: 1270966" data-attributes="member: 88839"><p>If all of the wiring and connectors check out good, especially on the gauge end since work had been done in there recently, then I'd check the fuses, then the sending unit coming from the fuel pump assembly. Going off othe wiring schematic, it looks like there's a green / white and a black / white wire that goes to the sending unit potentiometer. Test that circuit with a multimeter. There should be a change in resistance as the float moves up and down inside the tank. Look for a steady transition of resistance from low to high. If it jumps around any then it's likely bad. Those are the easiest things to check for first it seems. If everything looks good on the connections, fuses, and on the sending unit, then it seems like it'd have to be in the multifunction display fuel portion is gone bad.</p></blockquote><p></p>
[QUOTE="NTXFJR, post: 1270966, member: 88839"] If all of the wiring and connectors check out good, especially on the gauge end since work had been done in there recently, then I'd check the fuses, then the sending unit coming from the fuel pump assembly. Going off othe wiring schematic, it looks like there's a green / white and a black / white wire that goes to the sending unit potentiometer. Test that circuit with a multimeter. There should be a change in resistance as the float moves up and down inside the tank. Look for a steady transition of resistance from low to high. If it jumps around any then it's likely bad. Those are the easiest things to check for first it seems. If everything looks good on the connections, fuses, and on the sending unit, then it seems like it'd have to be in the multifunction display fuel portion is gone bad. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
2004 Fuel gauge stuck on empty
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