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Speedometer drops to zero 2001 Harley Davidson FLSTF Fatboy

When I put on the throttle on my 2001 Fatboy hd my speedometer drops to 0 @

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  • Motorcycles Master
  • 59,701 Answers

Hi, David and the usual suspects are:
1. Contaminated or faulty speed sensor.
2. Faulty turn signal module.
3. Corroded, broken or loose connector pins/sockets in the wire harness between the speedometer and the ECM or TSSM and the sensor.
4. The speedometer unit has failed.
5. Speedometer instrument fuse has blown.
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.hdforums.com/forum/softail-models/729158-speedo-issues-with-2001-fatboy.html
http://www.mediafire.com/file/65o6mbkdq5ty8ke/99_to_05_Harley_Softail_Service_Manual.pdf/file
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
https://serviceinfo.harley-davidson.com/sip/service/document/6300?highlight=1998+sportster+owner
https://www.6ya.com/ To speak to me personally $6

Posted on Nov 21, 2019

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Posted on Jan 02, 2017

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Anonymous

  • 150 Answers

SOURCE: harley davidson fatboy electrical problem

check your brain bro. I mean your bikes brain. Its right under your ****. hmm. anyhoo the connections get funky and those after market pipes you had to have make it vibrate and then the connections don't connect. quit throwing parts at it and look at what you got. throttle input equals erratic behaviour. vibrations shouldn't affect the components you changed but they will wreak havoc on the connections inbetween

Posted on Apr 18, 2008

Anonymous

  • 150 Answers

SOURCE: 2003 HD Fatboy has a miss. New plugs and wires.

i take it its carb. after it warms up to operating temps does it stop the sputtering? thats just a HD CV carb doing what it does til hot. Im not talking a 2 min warm up and off u go im talking operating temps of 200 plus. Is the carb an S&S? Your going to have high rpms til the temp kicks it down if its injected

Posted on Oct 06, 2009

Anonymous

  • 60 Answers

SOURCE: 96 volvo 850 speedometer somtimes works then it drops to 0

Two questions: Is your odometer working? If not then it's probably a broken gear by the stepper motor that Emissionwiz mentioned. Is your ABS and/or TRACS light on intermittently or constantly. If so that is a common sign your ABS control module has gone or is going bad. This usually happens before the speedometer starts acting up. Either one of these will start intermittently and finally end up with the speedometer not functioning at all, and both are pretty common failures with this model.

Posted on Oct 21, 2009

jartea311

  • 33 Answers

SOURCE: speedometer dropped..?

sounds like you will need a speed sensor wich is located on transmission.

Posted on Jan 05, 2010

wd4ity

wd4ity

  • 4565 Answers

SOURCE: 2001 harley fatboy caugh and pops back through

If you try to ride the bike or rev the engine up while it's cold, this is normal. Most engines will do this because the mixture is lean for a cold engine. When you start the engine, allow the engine to warm until it goes into the slower idle speed.

Good Luck
Steve

Posted on Nov 10, 2010

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1 Answer

2001 Harley Davidson FLSTF-FLSTFI Fat Boy speedometer not working


Hi, JC and the usual suspects are:
1. Contaminated or faulty speed sensor.
2. Faulty turn signal module.
3. Corroded, broken or loose connector pins/sockets in the wire harness between the speedometer and the ECM or TSSM and the sensor.
4. The speedometer unit has failed.
5. Speedometer instrument fuse has blown.
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.
Speedometer not working on 01 Fatboy Twin Forum Harley Davidson Forums
2012 Harley Fat Boy Lo Speedometer Problem
99 to 05 Harley Softail Service Manual pdf
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
http://mybikemanuals.com/harley-davidson/harley-davidson-softail-owners-manuals
Instant Repair Help over the Phone to speak to me personally $4

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Hi Anonymous, for more information on your question please visit the websites below and good luck:
SOFTAIL SPEEDOMETER REMOVAL

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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i take it its carb. after it warms up to operating temps does it stop the sputtering? thats just a HD CV carb doing what it does til hot. Im not talking a 2 min warm up and off u go im talking operating temps of 200 plus. Is the carb an S&S? Your going to have high rpms til the temp kicks it down if its injected

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When I ride my 2000 fatboy my speedometer doesn't


Try inside the tach on the connector. But also remove your speed sensor on the transmission and clean it. They pick up metal chips from the trans and short out. Also, HD had a bunch of bad speedos around your year. They replaced them for free. Doubtful they will replace yours at this late date. You might end up buying a new speedo.

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My 2001 FatBoy speedometer was @ 40mph, then drop to 0mph, then went back to 40mph, the speed that I was at. Also my milage gauge went blank while the engine light, security light started to blink, then...


you have got a loose battery terminal by the sounds of it (very common) ,remove the riders seat and use a spanner to tighten up the battery bolts , this should cure your problem .
hope this helps
kind regards
bert 31000

Mar 18, 2009 | 2001 Harley Davidson FLSTF - FLSTFI Fat...

1 Answer

Harley davidson fatboy electrical problem


check your brain bro. I mean your bikes brain. Its right under your ****. hmm. anyhoo the connections get funky and those after market pipes you had to have make it vibrate and then the connections don't connect. quit throwing parts at it and look at what you got. throttle input equals erratic behaviour. vibrations shouldn't affect the components you changed but they will wreak havoc on the connections inbetween

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