Ultra Classic charging system
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Stage I
Joined: May 2011
Posts: 1
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From: Haslet, TX
Ultra Classic charging system
I recently bought my first Harley, a '02 Ultra Classic Electra Glide with 9k miles. The bike began to have trouble starting when I did not keep it on the trickle chager and the volt meter began to show low voltage. Then one day when the check engine light came on during a ride I took it back to house and found loose battery terminals. I charged up the battery and headed out again. The volt meter again showed low voltage, then the check engine light came on again. Again I headed back to the house. This time the light began to dim, the volt meter reading continued to drop, and while running at 60 mph the engine shut down. My muti-meter indicates that the alternator is puting out the correct A-C current. Are there other areas I can check before I go the dealer? I am an old car guy that is new to motorcycles.
Road Captain
Joined: Jan 2007
Posts: 514
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Yes..... Check the ground on the starter. Most over look this ground but it has a major part to the motor The ground bolt is very hard to get to but I only had to sighten it about a half a turn and that solved my problem. Ask me how I know.. You might also want to look at replacing the battery if it is that old. It would not hurt anything.
Road Captain
Joined: Jun 2006
Posts: 723
Likes: 62
From: Cape Cod, Ma.
If the ststor is putting out the right AC volts (somewhere in the area of 20-22 at idle) then I would check the voltage regulator. Check the internet and this forum for tips on how to check. I used these tips to find that my stator was fried. Good luck.
Neil
RDMC
Neil
RDMC
Road Master
Joined: Sep 2007
Posts: 1,043
Likes: 3
From: N/W Pennsylvania
If it is the voltage regulator do a search here on the net and buy a cycle electric regulator they are a great regulator... I had the sane problem with my 04 ultra...Went with the cycle electric and no more problems..... Another thing if you shop around they are cheaper than the H. D. regulator and IMHO mutch better quality.....
Seasoned HDF Member
Joined: Nov 2010
Posts: 17,548
Likes: 7,197
From: Oxford, Nc
If it is the voltage regulator do a search here on the net and buy a cycle electric regulator they are a great regulator... I had the sane problem with my 04 ultra...Went with the cycle electric and no more problems..... Another thing if you shop around they are cheaper than the H. D. regulator and IMHO mutch better quality.....
Lost the stator again at 32,000 miles. And yet again at 62,000 miles.
Installed a "3 Phase" charging system, ( mine was from Compu-Fire but there are others too,) at 62,000 miles and she's still running strong at 88,000. Electric vests, gloves whatever, you can't pull the voltage down from 2000 rpm and up, very strong. And it supposedly runs cooler, the bane on stators is heat.
Harley hasn't upgraded that technology in years. Eventually they'll come along, but not yet.
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