High Voltage - should I ride it home?
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Tourer
Joined: Jul 2009
Posts: 478
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High Voltage - should I ride it home?
My voltage is starting to push 15.5 volts on a 2012 FLHTK. I searched and found that I should replace that voltage regulator as it can fry the battery. I rode 30 miles in to work this way. I have a Harley dealer near work. The question is can I buy the regulator and ride it home to fix or should I pay the dealer to change it to insure that I don't damage any other components. Thanks in advance.
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Tourer
Joined: Jul 2009
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Do you think it is damaged already? I believe it just started today - 30 miles...
Road Warrior
Joined: Jun 2016
Posts: 1,751
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From: Catalina AZ
I had this happen to a Suburban years ago (I know not a bike).
We were 55-60 miles from a town.
So we drove it to the nearest gas station/shop.
When we got there the battery was about to pop.
It was a brand new sealed battery (back in the day most were not).
We got lucky it did not explode.
I would fix it ASAP, test the battery and replace if needed.
We were 55-60 miles from a town.
So we drove it to the nearest gas station/shop.
When we got there the battery was about to pop.
It was a brand new sealed battery (back in the day most were not).
We got lucky it did not explode.
I would fix it ASAP, test the battery and replace if needed.
Seasoned HDF Member
Joined: Aug 2008
Posts: 5,052
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it can be normal for an over 15 to occur on occasion and the battery will not bulk until it passes the 16 level. the protection circuit zener is around 14.7>15.2. i would have the battery and associated wiring checked first since any resistance here can fool the regulator, even an iffy battery that is sulfating.
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Tourer
Joined: Jul 2009
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it can be normal for an over 15 to occur on occasion and the battery will not bulk until it passes the 16 level. the protection circuit zener is around 14.7>15.2. i would have the battery and associated wiring checked first since any resistance here can fool the regulator, even an iffy battery that is sulfating.
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Thread Starter
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Tourer
Joined: Jul 2009
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So I get my new regulatorand installed it - and it seemed worse! Went to 16V and that is as far as the meter goes. Instructions say check your grounds and test voltage at the battery. So I did both. Son of a bitch the voltage at the battery was right around 14.5 when the meter on the bike said 16. Guessing bad volt meter. Dang!!! Learned a lesson. Think I will leave new (aftermarket) regulator on and carry the old for a spare. At least I can ride!
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