Question about 2000 Harley Davidson FXDL Dyna Low Rider

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The cap opposite the gas tank with the gauge has a wire that is exposed from twisting the cap

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You are correct, the gas gauge cap should not have been twisted. Only a bike shop or dealer can replace it. Sorry.

Posted on Aug 03, 2009


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1 Answer

The service engine soon light came on and at the same time the gas gauge stopped working. Why?

SEL is probably on because you don't have gas cap on correctly, or gasket on cap is torn. Gauge not working is separate issue I expect. Could be fuse, bad gauge, bad sending unit inside tank, or broken wire.

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Of course, if this came with a should clearly indicate the fill orifice. If it is like the one pictured, The end opposite the handle, where the metal end of the pump is exposed on top of the tank, has a filler hole with a filler cap pushed or threaded into it. Twist this off and add the oil until you see it rise to the half-way point on the sight glass. On brand new units, the filler cap will be taped with a small caution tag, warning you not to start the unit without first adding oil. Most units use a high performance, non-foaming, full synthetic 20-50w oil. If there is no sight glass, the filler cap will have a fill level indicator. Do not overfill!

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1 Answer

Does only 1 cap come off on a 1999 harley fatboy gas tank

The right side cap comes off so you can add fuel. The crossover hose at the front of the tank lets fuel flow to both sides. The left cap holds the fuel gauge and fits into a hollow hole. The fuel gauge wiring comes out at the bottom of the tank, thru this hole. Don't try to twist the left cap off or you could damage the wiring for the gauge!

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1 Answer

How do i replace the fuel level sensor on a 2005 kia sorento

What You'll Need:
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  • Phillips head screwdriver
  • hammer
  • open end wrenches
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    Before you begin, disconnect the negative battery cable to be sure no electrical sparks are possible. You're dealing with gas which is highly flammable!Your fuel tank sending unit is located in the top of the fuel tank, but is accessible under your back seat (or under the carpet in your trunk) on some models. The sending unit will be protected by an access cover, usually held on with a couple of screws. Lift your back seat or trunk carpet and locate the access cover for your fuel tank sending unit. Remove the screws holding the cover in place and remove the access cover to reveal the fuel tank sending unit.
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    With the access cover removed, you'll see the fuel tank sending unit right there on top. It will have a wiring harness plugged into the top (this tells your gas gauge how much fuel is in the tank). Unplug the wiring harness and move it safely to the side. If your fuel tank sending unit is screwed or bolted in place, remove the screws or bolts. Some sending units are a "twist-lock" type. They work like the old twist-lock gas caps. You'll see a few notches along the outer ring of the sending unit. Place the tip of a sturdy flat head screwdriver in the notch and gently tap it counter-clockwise. The sending unit will rotate until it's loose. (the picture above shows the fuel tank out of the car to illustrate the fuel tank sending unit's location). Now you can remove the fuel tank sending unit in one piece. Attached to it is a long rod with a float at the end, so you might have to try a couple of different angles to get it out. As usual, installation is the reverse of removal. Don't forget to plug the new sender in or it won't send you anything!

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1 Answer

What causes the radio display light not to come on? Also, how can we get the gas gauge to work?

The gas guage is likely a bad ground to the gas tank. Check the wiring harness where it comes from the body and goes into the gas tank. Likely there is broken wire there. The harness usually has 2 or 3 wires one may be neutral for both the pump and the fuel gauge. or 2 wires each. An Ohm (resistance) tester will show a particular amount of resistance on 2 wires indicating that the fuel guage is working properly as the resistance will be different depending on how much gas is in the tank. You should be able to buy a cheap digital tester for $10.00
It is likely that these wires are damaged close to the tank or in that harness area that is exposed to the elements, perhaps even at the spot where it goes back into the body or where the harness joins to the tank harness connector. Look for broken or corroded wires here. Try running a piece of wire from the body to the gas tank and see if it makes the fuel guage work indicating a bad ground to the tank.

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1 Answer

Gas gauge popped out of tank. does not want to stay in very well. how is it held in tank? 2005 road king

this cap should press in straight down, if it isn't staying the "hooks" may not be properly set-up
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2 Answers

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Jan 15, 2011 | 1987 Ford Econoline

2 Answers

Gas gauge in the dash malfunctioning - 1990 Nissan Hardbody truck

It sounds like the float on the sending unit is sinking. Don't know what the float is made of, but over time, it will soak up gas and start to get heavy. This would cause your problem. I don't think it's the gauge, but if you want to test it, disconnect the wires at the tank. The gauge will either go to full or empty. If you ground the sending wire, the gauge should respond the opposite way it was. good luck

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1 Answer

When the gas tank is full the gas gauge shows as empty. When the gas tank is empty the gas gauge shows as full.

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