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The fuel gauge is on empty and the fuel light is on when the tank is full on a 2007 ultra classic

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Hi Anonymous, always check your instrument fuses first also you could have a faulty sending unit or guage, there could be a problem with your wiring. On models with the fuel gauge posing as a left hand fuel cap the gauge is a press fit do not try to unscrew it, simply ample force lift up in a rocking motion to remove gauge. Disconnect wires to the gauge and with a set of positive and negative jumpers from the battery connect the positive jumper and flash the negative, gauge should peg full, if not replace gauge. With a test light check for power to the sending unit, then remove the sending unit and manually operate the float arm slowly with the correct wiring hooked up to the fuel gauge and sending unit and the ignition on, the gauge should respond accordingly if not replace the float arm assembly. For a free wiring diagram please visit the website below and good luck. Harley Davidson Wiring Diagrams and Schematics

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Jun 19, 2015

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: wireing tempature gauge

Outside temp sensor located at inner fairing, it is tied to left fairing frame just above cigarette lighter.
On OEM parts,
Air Temp Gauge pin#1 = Orange +12 Volt
Air Temp Gauge pin#2 = Black - ground
Air Temp Gauge pin#3 = Air Temp sensor pin#1

www.bengkelsepedamotor.wordpress.com

Posted on Jan 05, 2009

goalie39

Ed

  • 476 Answers

SOURCE: How to drain the oil on 2007 Harley Ultra Classic?

should be on the front left of the oil pan.
ye second one on the bottom right is transmission oil.

Posted on Apr 14, 2009

Dudeman321

  • 233 Answers

SOURCE: cbr 125 rw 7 instrument panel

Sounds like you have a ground fault. I once had a car with a faulty ground wire on the headlight, when I put high beam on the speedo would jump to 170km/h and the indicators would glow dimly. Sure sounds like a similar ground fault to me, check all the ground straps, from the headlight or anywhere else you can think of.

Posted on May 25, 2009

Anonymous

  • 80 Answers

SOURCE: removing harley davidson ultra classic gas tank

Drain the fuel either by siphening or removing the cross over tube at the front of the tank and letting it drain that way or just block off those cross over lines and leave the fule in the tank for removal.

0) remove seat
1) drain fuel
2) undo cross over line (bottom front of gas tank.
3) shut off pet **** and remove fuel line from pet ****.
4)there should only be 2 bolts holding the tank on, one at the top front of the tank and one at the back of the tank.

All in all a pretty easy (but possibloy messy) job.

Posted on Jun 06, 2009

Anonymous

  • 1 Answer

SOURCE: The fuel tank low level light flashes

I have a 2008 Polaris Sportsman 500 ATV.. The gas tank is full, but the word "fuel" keeps blinking on the front information panel any cure?

Posted on Feb 06, 2010

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1 Answer

2011 Harley Davidson FLHTCUTG Tri Glide Ultra Classic fuel gauge not working


Hi, Pierre, you could have a faulty sending unit or gauge, there could be a problem with your wiring. On models with the fuel gauge posing as a left-hand fuel cap, the gauge is a press fit do not try to unscrew it, simply apply ample force lift up in a rocking motion to remove gauge. Disconnect wires to the gauge and with a set of positive and negative jumpers from the battery connect the positive jumper and flash the negative, the gauge should peg full, if not replace the gauge. With a test light check for power to the sending unit, then remove the sending unit and manually operate the float arm slowly with the correct wiring hooked up to the fuel gauge and sending unit and the ignition on, the gauge should respond accordingly if not replace the float arm assembly. If your fuel gauge registers the incorrect amount of fuel in the tank you can try bending the float arm the necessary amount up or down for a more accurate reading.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a wonderful day.
https://www.triketalk.com/forum/threads/19535-Fuel-Gauge-Not-Reading-Correctly
http://proudfewmc.net/SiteAssets/99483-11.pdf free serv. manual
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
2011 Harley Davidson Tri Glide Ultra Classic Owner Manual
Instant Tech Relief To speak to me personally absolutely free

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1 Answer

2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic fuel gauge not working properly


Hi, Ed you could have a faulty sending unit or gauge, there could be a problem with your wiring. On models with the fuel gauge posing as a left-hand fuel cap, the gauge is a press fit do not try to unscrew it, simply apply ample force lift up in a rocking motion to remove gauge. Disconnect wires to the gauge and with a set of positive and negative jumpers from the battery connect the positive jumper and flash the negative, the gauge should peg full, if not replace the gauge. With a test light check for power to the sending unit, then remove the sending unit and manually operate the float arm slowly with the correct wiring hooked up to the fuel gauge and sending unit and the ignition on, the gauge should respond accordingly if not replace the float arm assembly. If your fuel gauge registers the incorrect amount of fuel in the tank you can try bending the float arm the necessary amount up or down for a more accurate reading.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a wonderful day.
Testing Fuel Gauge Sending Unit Twin Forum Harley Davidson Forums
Harley Davidson Touring Workshop Service Repair Manual 2003 $10
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
http://www.harley-davidson.com/content/h-d/en_US/home/owners/maintain-your-bike/owners-manual.html
Instant Tech Relief To speak to me personally absolutely "FREE"

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1 Answer

2007 Yamaha Majesty 400, the fuel sensor is stuck on empty


Hi, Dennis you could have a faulty sending unit or gauge, there could be a problem with your wiring. On models with the fuel gauge posing as a left-hand fuel cap the gauge is a press fit do not try to unscrew it, simply ample force lift up in a rocking motion to remove gauge. Disconnect wires to the gauge and with a set of positive and negative jumpers from the battery connect the positive jumper and flash the negative, gauge should peg full, if not replace the gauge. With a test light check for power to the sending unit, then remove the sending unit and manually operate the float arm slowly with the correct wiring hooked up to the fuel gauge and sending unit and the ignition on, the gauge should respond accordingly if not replace the float arm assembly. If your fuel gauge registers the incorrect amount of fuel in the tank you can try bending the float arm the necessary amount for a more accurate reading. For more information about your issue, please visit the websites below. Good luck and have a nice day. http://fullmanuals.com/search/?q=2007+Yamaha+Majesty+400

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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1 Answer

Why does the fuel light stay on


WHAT DTC\'s are set???



It sounds like a short to ground on the gauge circuit but see below for further and better diagnosis:



When the ignition switch is ON the fuel gauge is connected to 12 VDC, current flows through the gauge and the variable resistor in the fuel gauge sending unit to ground. The sending unit float controls the amount of resistance in the variable resistor. Malfunctioning fuel gauges may be the result of a fuel gauge sender or a fuel gauge not being properly grounded OR there may be a defect in the fuel gauge sender or in the fuel gauge itself OR there may be an open circuit caused by a loose or disconnected connection or a broken wire between the ignition switch to the fuel gauge.



A suspect fuel gauge system can be tested by FIRST removing the gauge and grounding the Y/W wire of the fuel gauge sender located at the bottom of the gauge, turning the ignition switch ON at which point the fuel gauge must indicate FULL. And if it does so then the fuel gauge is functioning correctly.And if it does not read FULL then get a multimeter set to the RX1 scale and measure the resistance of the sending unit by placing one of the meter probes on the Y/W wire and the other probe on a good ground. THEN for FLHT/C/U, FLTR if thefuel tank is full the meter reading should be 7-14 ohms and if the tank is empty the meter resistance reading should be 74-95 ohms resistance and a half full tank meter resistance reading will be approximately 30-38 ohms. For FLHR/C/S if the fuel tank is full, the meter resistance reading should be 27-40 ohms, if the tank is empty 240-264 ohms and if half full approximately 97-118 ohms. FOR ALL MODELS if there is a very high meter resistance or infinity reading the sender may be "open" or not grounded. In this case check to see if the sender and fuel tank are grounded by placing one of the ohmmeter probes on the flange of the sender and the other probe on crankcase and if the ground is good the meter must indicate one ohm or less and if the reading is one ohm or less the sender is defective and requires replacement and if a higher resistance reading is obtained you will need to check for a poor ground wire. THEN you can check the voltage to the O/W (+) wire and the BK (-) wire of the fuel gauge connector if the gauge did not indicate FULL and the correct reading will depend on the source voltage and the level of fuel in the tank or the position of the sender float arm on the variable resistor etc. If there is NO battery voltage present there may be a broken, highly corroded or disconnected power wire. If you cannot find a problem using the above testing replace the gauge itself.

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1 Answer

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The problem is in the fuel sender unit in the tank. It sounds like the float part of the sender unit is binding when it's at the top (when tank is full) and hangs up there till it falls back down when tank is near empty. It will likely have to come out to be checked, fixed, or replaced. Good luck.

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My car fuel level gauge sometimes goes to empty even it has fuel in the tank.the check engine light is on and i pull a code it say fuel level sensor unit hight input.what seem to be the problem?


Mine too! I have a 2007 Chevy Malibu also and I knoticed it does that or bounces up and down once my tank gets to half full. Have you found a solution? Sometimes my check engine light comes on and sometimes it doesn't.

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