Question about 2003 Harley Davidson FXD Dyna Super Glide

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Battery not charging on 2003 super glide

The bike died the other day. Got it towed home. put it on the charger and it started and ran perfect. Disconnected the positive end of the battery and it died istantly. How can I check if its the regulator or the stator

Posted by Anonymous on

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  • Harley Davidson Master
  • 43,775 Answers

Hi Anonymous, perform the following tests:
1. Fill acid type batteries to proper levels.
2. Charge battery overnight at 1-2 amps you need 12 volts or better after charging.
3. Make sure all connections are clean and tight especially the negative cable at both ends.
4. Hook up volt meter to battery and start engine, if meter falls below 9.5 v replace battery.
5. With engine running at 3600 RPM battery should read 14.3-14.7 volts if not continue tests.
6. Unplug voltage regulator from alternator at crankcase by front of primary cover.
7. To test voltage regulator go to: https://www.youtube.com/watch?v=F8EjV0IjW9Q
8. With ohm meter, one lead grounded, touch alternator pin meter should read infinity, if not replace stator.
9. With ohm meter, both leads touching alternator pins meter should read 0.1 to 0.2 ohms on 1989 and later models. 0.2 to 0.4 ohms 1988 and earlier models, if not replace stator.
10. With volt meter set on AC scale, both leads touching alternator pins meter should read
16 to 20 volts AC for every 1000 RPM'S 1989 and later and 19 to 26 volts AC for every 1000 RPMS. If not replace rotor. Good luck

Posted on May 15, 2015

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Posted on Jan 02, 2017

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  • 22 Answers

SOURCE: change a stator

First secure the bike on a lift. disconnect battery.remove standard footpeg.Remove standard shifter. Remove all allen head bolts from outer primary cover. Some bolts are longer so keep track of where they go.Two bolts on the primary inspection cover also hold the outer to the inner primary case, so remove the cover.Now remove the outer primary case.The clutch,primary chain,adjuster, and compensating sprocket must be reoved as a single unit.Once you have done this take a rag and grasp the rotor and slide it off of the main engine shaft.Unplug the stator and remove the set screws holding it in place.Reverse procedure to install new stator.

Posted on Nov 10, 2008

  • 2712 Answers

SOURCE: change a stator

First secure the bike on a lift. disconnect battery.remove standard footpeg.Remove standard shifter. Remove all allen head bolts from outer primary cover. Some bolts are longer so keep track of where they go.Two bolts on the primary inspection cover also hold the outer to the inner primary case, so remove the cover.Now remove the outer primary case.The clutch,primary chain,adjuster, and compensating sprocket must be reoved as a single unit.Once you have done this take a rag and grasp the rotor and slide it off of the main engine shaft.Unplug the stator and remove the set screws holding it in place.Reverse procedure to install new stator.

Posted on Nov 20, 2008

sodeep
  • 3267 Answers

SOURCE: battery wont charge more than 12.25 at 2000 rpm

Check the rectifier, its responsible for charging the battery when running, the fuse too, however the rectifier if it can not be repaired, better to buy a new one......................sodeep

Posted on May 26, 2009

joecoolvette
  • 5660 Answers

SOURCE: harley davidson battery went dead after riding

1.What?

2.What?
You charged the battery off of the battery charger with a trickle charge. The battery wouldn't charge while you're riding, because your alternator took a cr@p.
(Sorry if I seem gruff, but I'm an old biker, and Harleys are all I ride. I'm also a Harley mechanic.
Shhhh! I don't want that to get around! lol!)

3.Battery is at 13.4 volts now? What is the specific gravity of the acid in each cell? Don't have a hydrometer? Do you have a load tester? No? Since you measured the voltage, do you have a multimeter?

Test the voltage with the bike running. It should be around 14.6 volts when charging, less with the battery fully charged.
Don't get the correct reading, then you better look at alternator replacement. (Regulator is built in)

Posted on Jul 13, 2009

  • 623 Answers

SOURCE: 2002 FLHTCUI Electra Glide Ultra Classic: What's approx. cost for a stator / regulator repla...

HD = Hundred Dollars, voltage regulator.
Stator replacement = big dollars because labor intensive. The part is around $100, maybe more by now

Sorry

Posted on May 17, 2010

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NEVER EVER pull the positive cable... thats an old trick for cars and old style charging systems... but then again it's your harley not mine. you need a DVOM set to AC volts to test the stator and set to DC volts to test the regulator... anwhere from 5-20 ac volts coming out of stator and 12 volts dc going TO regulator... yes then regulator, no AC volts out of stator... pull the side cover as mentioned above...

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I would first ck the charge rate at the battery. Between 13.6 - 14.2 is the happy zone. If above no good, if below, charging hard.. Ck the battery fluid level. If less than 1/4 you can go ahead and frown cause the battery is trash. Fill it up with distilled water and put it on a charger no larger tha a 1.5 amp chharger. Trickle charge for 24 hrs and if the battery is savable it will take the charge. Now the charging rate. The condition of the battery affects the charging. Supply and deman. Once the battery is charged up, take a reading with the bike running again. Bike needed to be running on fitst reading too, sorry. If it's in the happy zone you're set. If not , replace the battery if a load test at the parts store fails. I say battery first becausebecause it is cheaper than a stator and the battery on a bike is prone to failure because of vibration, and servicing inadequacies. No offence. Let me know how it all turns out. Good Luck, Ned-

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Sounds like you might have cooked the battery. Try with a new one, start the bike and see how it runs. Hopefully you didnt fry anything else.

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