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677 Posts
I was on my way home from a ride this past Saturday and was about 20 miles from home, and noticed that my heated grips were no longer heating. I looked at my Springfields display and saw the battery indicator. I then tried to reapply a grip set point but that option was not working. A little while later, my check engine light came on. Shortly after that, my ABS light came on. It was beginning to turn darker outside and I noticed my lighting wasn't as good as it should be and the passing lamp button indicated that the lamps were off. The bike did make it home, and when I got off of it with it still running, I noticed my passing lamps were indeed off, and my LED headlight was not fully illuminated. I shut off the bike tried to restart it, but the battery was dead. It then dawned on me to look at the voltmeter, which was only at 11.2V.
I put it on the trickle charger and when the battery got to about 12V, I was able to start the bike, but my voltmeter on my gauge and my handheld DVM indicated about 11.8V, confirming that the regulator was not putting out voltage. I did go ahead and check the battery cables, even though the symptoms indicated a bad regulator. The following day, I disconnected the 3 wire connector on the regulator / rectifier and checked that each leg of the stator was putting out voltage and got 22 to around 30VAC depending on RPM. I checked it Monday and got the same results.
Today, I took it to the dealer for a warranty regulator replacement, and I will be damned if the regulator didn't fail and was applying around 14.2 - 14.6V (according to my bikes display) for the 4 mile ride to the dealer. I still think that the regulator is bad, but of coarse the dealer isn't going to replace it if they can't see the failure. By the way, my battery indicator was still on even though the regulator was putting out proper voltage. Have any of you ever experienced a regulator fail that comes and goes? Or do you think there may be something else causing this?
I put it on the trickle charger and when the battery got to about 12V, I was able to start the bike, but my voltmeter on my gauge and my handheld DVM indicated about 11.8V, confirming that the regulator was not putting out voltage. I did go ahead and check the battery cables, even though the symptoms indicated a bad regulator. The following day, I disconnected the 3 wire connector on the regulator / rectifier and checked that each leg of the stator was putting out voltage and got 22 to around 30VAC depending on RPM. I checked it Monday and got the same results.
Today, I took it to the dealer for a warranty regulator replacement, and I will be damned if the regulator didn't fail and was applying around 14.2 - 14.6V (according to my bikes display) for the 4 mile ride to the dealer. I still think that the regulator is bad, but of coarse the dealer isn't going to replace it if they can't see the failure. By the way, my battery indicator was still on even though the regulator was putting out proper voltage. Have any of you ever experienced a regulator fail that comes and goes? Or do you think there may be something else causing this?