On a 1999 Harley Davidson Ultra Classic, the turn signal module is typically located under the seat, mounted on the motorcycle's frame. To access it, you'll need to remove the seat by unscrewing the fasteners. Once the seat is off, you should see the module connected to the wiring harness. If you're having trouble locating it, refer to the owner’s manual for detailed guidance.
On newer Sportsters the module is located under the battery. You have to remove the battery then pull up on the rectangular cover of the module on the bottom of the battery tray.
On a 1998 Harley-Davidson Fat Boy, the turn signal module is typically located under the seat. To access it, you’ll need to remove the seat and may also need to remove the side covers or other components depending on your bike's configuration. The module is usually housed within the wiring harness near the rear fender area. Always consult the service manual for specific details and guidance.
I have a 99 Sportser which should be the same. Mine just went out and it is located under the seat bolted to the rear fender.
Press both turn-signal buttons simultaneously.
Under the seat. Between the battery and the fuel tank. Right under the slot your seat tongue slides into there is a larger hole in the frame...In that hole you see a silver box with a grey 8-place deutsch connector. You found the turn signal module
Use an ohmeter to test tesistance where the plug wires connect to the coil-it should read 12,000. now for the the primaray side where the signal wires connect to the coil should be 2-3 ohms.
try the headlight housing
On a Harley Ultra Classic, the turn signal module is typically located under the seat or in the fender area. Specifically, it can often be found in the rear fender or near the tail light assembly. To access it, you may need to remove the seat or certain paneling. Always refer to the service manual for your specific model year for detailed instructions.
There is no flasher, it has a turn signal module under the seat, one bolt in the center holds a flat module, about 2 in by 3 in
You can replace it with any 12volt flasher you want, provided that its rated load is the same as the wattage of the signal bulbs you are using.
The vehicle speed sensor is powered and monitored by theECM. The ECM processes the vehicle speed signal andtransmits this signal to the TSMrrSSM/HFSM and speedometerthrough serial data.The vehicle speed sensor is located on the transmission justbehind the transmission top cover.