I have a 03 Fatboy Harley my Speedometer just stopped while ride then my turn signals won't auto shut-off and engine stalls at light any help

. Check all fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post252145

. Test/replace the Ignition Control Module and coil, if the problem persists.

Check the vehicle speed sensor for the speedometer and the self canceling turn signals, Idont know if this could cause a stall though