2000 Roadking my speedo works when it wants,and when my speedo doesn't work,my self canceling turn signals don't self cancel. Any help would be greatly appreciated.

Did you replace the stock turn signals with LEDs?

If so you probably need a "Load Equalizer"

Gearbox sensor. The turn signals rely on the speedo to self cancell. No speedo, then they will not cancell.

The voltage regulator has failed if the voltage EVER rises above about 15.5 VDC. Surface voltage should not be as high as 13 VDC unless maybe the bike has JUST been shut off and then it should bleed down into the high 12's after about an hour of sitting.


The signal self cancellation is tied to the speedometer and the TSM/TSSM and so if one fails it will affect the other as far as signal self cancellation is concerned.

The problem is most likely related to the speed sensor down on the tranny. Most likely it got wet and either shorted out or needs cleaned, but most likely it needs replaced, Do you have a Factory Manual as well as the Electronic diagnostics manual. You can put the bike into diagnostic mode and it will tell you what the problem is. If it is the speed sensor that crapped out . That would cause the speedo to illuminate, but not read anything. Also, it would cause the Speed/RPM cancel function to fail. Does the speedo illuminate? If not, you either have a dead speedo, or a short to its power. The only other thing is the ignithion switch, if water got into this and caused a short that would also cause this issue, try wiggling it around and see if it makes better contact and see if that helps, might just have to let it sit in the sun for a while and dry out and left over moisture. I assume you checked all the fuses?

A couple of questions though. Do the turn signals cancel when you bank turn the bike? There are two ways that the bike cancels the signals. Either via Speed/RPM ratio, or via the bank angle sensor inside the TSSM (Turn Signal / Security Module).

I have a trouble shooting chart for the self-cancelling turn signal module but it's much to much to type in here. Contact me directly at [email protected] and I'll e-mail you a scanned copy. I don't think the '98 model Fat Boys use fuses, they use circuit breakers. Seems there is a reed switch in the speedo that turns off the turn signals. Remind me of what you want as I get lots of request and I can't remember who wants what.

Good Luck
Steve

I can't think of the name of the part, but I believe the two are related, and run through an electronic gizmo, that reads the speed/mph and shuts offs the blinkers. Turn signal controller maybe?

check out the speedo meter itsely something might be wrong inside
and for the turn signals check turning engine off and starting again and try the signals
if not maight be some wiring fault