Overcharging issues
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Road Master
Joined: Oct 2008
Posts: 886
Likes: 6
Well, I brought it to the dealership and they say it is the Alternator. Thank God for my Extended Service Plan this is the second time it has saved me. My oil pump failed and it only cost me $25. Haven't got the bill for this one yet, but don't suspect it will cost me much more then that... Everything was in stock so I should have my bike back in about an hour. Sucked I didn't have it on Sat since it was 85* here and I had a ride planned with my brother, but he will be back up this Sat so maybe we can do the ride I planned then...
Thanks for all the posts from people trying to help me out!
Thanks for all the posts from people trying to help me out!
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,938
Likes: 4
From: NC
Well, I brought it to the dealership and they say it is the Alternator. Thank God for my Extended Service Plan this is the second time it has saved me. My oil pump failed and it only cost me $25. Haven't got the bill for this one yet, but don't suspect it will cost me much more then that... Everything was in stock so I should have my bike back in about an hour. Sucked I didn't have it on Sat since it was 85* here and I had a ride planned with my brother, but he will be back up this Sat so maybe we can do the ride I planned then...
Thanks for all the posts from people trying to help me out!
Thanks for all the posts from people trying to help me out!
Tourer
Joined: Feb 2011
Posts: 351
Likes: 2
Well, I brought it to the dealership and they say it is the Alternator. Thank God for my Extended Service Plan this is the second time it has saved me. My oil pump failed and it only cost me $25. Haven't got the bill for this one yet, but don't suspect it will cost me much more then that... Everything was in stock so I should have my bike back in about an hour. Sucked I didn't have it on Sat since it was 85* here and I had a ride planned with my brother, but he will be back up this Sat so maybe we can do the ride I planned then...
Thanks for all the posts from people trying to help me out!
Thanks for all the posts from people trying to help me out!
Thread Starter
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Road Master
Joined: Oct 2008
Posts: 886
Likes: 6
Got it back and all is fine. Total cost = $50. I asked them what could have caused the stator to fail and they didn't have an answer... said maybe some of the wires could have broken... but they replaced both the stator and the new regulator I had put on tested it, took it for a ride and I rode it all afternoon as well and all is good. So don't know what caused it... They just said the alternator was putting out too much current to the regulator (somehow) and fried the regulator. Still have the old battery in it and will leave it there at least until after the weekend and maybe put the new battery in after that and see if it fries the regulator. Since I met my deductible next time anything goes wrong it is free. REALLY glad I have that ESP!! It has paid for itself double over now.
Last edited by bigmikaele; Mar 22, 2011 at 08:54 PM.
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Road Master
Joined: Oct 2008
Posts: 886
Likes: 6
My brother, who is smarter when it comes to the electrical system, mentioned that in some bikes when the headlight is pulled and the bike turned over it fries the regulator (stating that some bikes use the headlight as an alternate regulator and when removed it puts too much current to the regulator and fries it). He mentioned racers that take the headlight out of their street bikes to race found that out... So maybe there was some sort of short in the alternator or something... Hell at least it is working for now... Will keep everyone posted. I have a couple of hundred mile run planned for tomorrow as well as on Sat so if it stays good I will assume it is all fixed.
Stage II
Joined: May 2019
Posts: 2
Likes: 0
From: edinburg tx
You need to check alternator output against factory figures, each lead of the alternator is checked singly and there is a figure range per 1000 rpm.
If that is within tolerance then you need to check what your regulator is chucking out. You can do this with a voltmeter across the battery and it should max out at 14.85
If that is within tolerance then you need to check what your regulator is chucking out. You can do this with a voltmeter across the battery and it should max out at 14.85
1st Gear
Joined: Sep 2024
Posts: 5
Likes: 3
From: NY
2008 Heritage overcharging
I have the same problem with my 2008 Heritage softail. Put a new regulator in and the same issue. and now I have V in err on my dash. at an idle it maintains the right voltage. when I put it up to 26oo room it holds then shoots up to 16-17 volts. called Harley they said it could be a ground. I sanded everywhere the regulator touches the mounting plate an where it bolts into the bike. still the same issue. I checked the stator. volt meter shows all good. I'm ready to send it to Harley, I can only imagine that bill
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,894
Likes: 8,002
From: poway
I have the same problem with my 2008 Heritage softail. Put a new regulator in and the same issue. and now I have V in err on my dash. at an idle it maintains the right voltage. when I put it up to 26oo room it holds then shoots up to 16-17 volts. called Harley they said it could be a ground. I sanded everywhere the regulator touches the mounting plate an where it bolts into the bike. still the same issue. I checked the stator. volt meter shows all good. I'm ready to send it to Harley, I can only imagine that bill
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