The speedometer quick working on my 2003 Harley Dyna SuperGlide. Is there a fuse that could have blown? If so where is it located?

Sound like a problem on charging section,try to check on alternator and regulator charge ,you probably want to take apart the whole charging system!

Hi, Anonymous 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 [email protected]. Good luck and have a wonderful day.
https://www.hdforums.com/forum/dyna-glide-models/678009-speedometer-stopped-working.html
http://www.mediafire.com/file/5zvlvwdt08urhrq/2012+Harley+Dyna+Service+Manual.pdf
https://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
https://ownersmanuals2.com/harley-davidson/switchback-2012-owners-manual-66708
https://www.6ya.com/ to speak to me personally

either the idle jet in carb is clogged, and or it is running to lean

On most Dynas, there is an electrical box on the left side of the bike behind the coil. A chrome cover to the rear of the coil cover.

But, the fuses may be under the seat. Harley has been moving them around since 2000 and I haven't seen all the bike's fuse locations.

Good luck
Steve

2003 is single fire. If you buy anew tach, it will come with instalation instructions. With a little common sence, it's pretty easy.

The square shaped box on the left side under the seat.

any 2000 to about 06??? (check with dealer to find the exact cut off year/month)Sportster, SuperGlide or SuperGlide Sport will pretty much be a bolt on with minor wiring and hose changes. You can put just about any front end on it if you are inclined to make the needed changes, but for quick and easy (stock) stick with Sporty and SuperGlide.