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Dead battery warning.

WayneOrwig

WayneOrwig

GT Reference
Joined
Oct 28, 2008
Messages
1,055
Location
Hog Mountain
Last week during one of our deluge rains, the speedo sender failed again. :cry:
I got the horrible SERVICE warning and red light. :?
After I got home, the next day, I heard the stepper motor running in and out, in and out. I disconnected the battery and reconnected it. No more stepper motor. Odd......
For the next week I had been riding the EV (it has a better windshield for that rain and a trailer hitch for the camping trip I was on).
Today.....dead battery in the Stelvio. I charged the battery, turned the key on and off. The stepper motor keeps grinding away.
I dried out the speed sensor, cleared the dash error, no more stepper motor grinding away with the key off.

I can't be sure, but I get the feeling that the SERVICE error message was keeping something in the system turned on. :x

BTW, I connected a current shunt and made a measurement. Whatever was on, was drawing about 0.4 amps. And out of curiosity, the weak battery gets about 7 to 8 amps of charge current from idle up.
 
RJVB said:
Short in the speed sender, perhaps?
Click to expand...

Water in it. If you search here you'll find it si a fairly common problem.

No idea why that or the dashboard error keeps the stepper motor running.
 
What I meant is, water in the sender might have caused a short, causing all kinds of other issues.
 
Crap, I can sadly duplicate this. :x

I had a rattle on the right mirror. I took at apart as best I could and put RTV rubber on the mounting points that had come loose inside the mirror.
Fixed the rattle.
BUT, I didn't get the turn signal bulb fully seated, and I got the failed turn signal bulb warning on the way to work. Not a problem, I'll fix it later when I get a break.
I just go outside to look at it, and sure enough, the stepper motor is running back and forth, back and forth. The key has been off for 4 hours. I seat the bulb, start the bike, the error is gone. Stop the bike, and no more continuous stepper motor (just one as normal).
Pull the bulb, start the bike, shut it off. Non-stop stepper motor.

Go ahead someone else, disconnect the turn signal bulb and try it. Let me know what you find. You have to start the motor, not just turn on the key on.
 
Wayne Orwig said:
Crap, I can sadly duplicate this. :x

I had a rattle on the right mirror. I took at apart as best I could and put RTV rubber on the mounting points that had come loose inside the mirror.
Click to expand...


Oddly enough, I can corroborate the rattly mirror, had to do the same thing last week.
 
Would be interesting to know what models are affected by this.
 
So it looks any open contact might get the stepper running in circles? How about if you disconnect a bulb after shutting off the bike?
 
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