General Harley Davidson Chat Forum to discuss general Harley Davidson issues, topics, and experiences.
Sponsored by:
Sponsored by:

Electrical Problem/Check Engine Light

Thread Tools
 
Search this Thread
 
Old Oct 3, 2009 | 04:29 PM
  #1  
MidnitEvil's Avatar
MidnitEvil
Thread Starter
|
Ultimate HDF Member
Joined: Aug 2008
Posts: 6,235
Likes: 65
From: Joliet, Illinois
Default Electrical Problem/Check Engine Light

I've had some discussion about this frustrating electrical problem in another thread here, but decided to give it its own heading to make it easier for future searches.

2002 Wide Glide.

8 Months ago, bike died when I came to a stop at a light. Odometer blanked - not sure if check engine light came on, but I don't think so. It would crank but not start. Turned ignition off & back on, odometer lit up, bike fired right up. No further problems.

Last Saturday, rode through some heavy rain for a couple of minutes. A few miles later, the check engine light came on & the odometer blanked. Pulled into a parking lot. Tried the ignition off & then on thing, didn't work. The battery was dead. After 3 hours on a battery charger, rode home (about 30 miles). About halfway home, the check engine light came on, odometer blanked, headlight went dim. Pulled in the clutch & revved the engine, check engine light went off, odometer came back on, light got bright. Rode the rest of the way home with no problems.

The next day, Sunday, went on a run. Shut off the bike & started it several times. Everything was fine.

Using a multimeter, I checked the battery, voltage regulator & stator. Voltage regulator tested bad. Replaced the voltage regulator & dropped in a new battery. Checked the stator again - good readings - went up by 20 per 1,000 RPM's. With the new parts in, checked voltage at the battery with the bike running, got 14.8. Everything looked good.

Went on a run Thursday. Same thing - shut off the bike & started it several times, everything was fine. Coming home, it was raining the whole time. Sitting at a light near my house, the check engine light came on & the odometer blanked. Revved the engine, things went back to normal, rest of the ride home (a couple miles) was fine.

Today - went to start it, the battery was dead. Put it on the charger for a few minutes & fired it up. Left it idling while I went inside to wash my hands and grab my jacket so I could take the bike for a test run. As I was getting ready to go, the bike started to run poorly - check engine light was on, odometer was blank. Tried to rev it & make things go back to normal - no dice. It was running off the battery & the battery was about out of juice.

Since I'm getting good readings at the stator, I have to assume I have a bad connection or wire somewhere. Right?

I've taken off every connection I can find & cleaned up the terminals (some of them did have some rust on them). Nothing appears loose, none of the wiring appears bad.

Doesn't look like the bike is throwing a code. Not sure - I think if it was, the check engine light would come on for 4 seconds, go off, then come back on (or maybe it would blink - haven't quite figured that out yet).

I'm at the point of thinking I may have to give in and let the dealer fix this. I know a good local indy, but, he tends to keep things in his shop for a rather long time, and I'd like to get some more riding in while the weather is still somewhat decent.

Any ideas?
 
Old Oct 3, 2009 | 04:43 PM
  #2  
DannyZ71's Avatar
DannyZ71
Extreme HDF Member
Joined: Jun 2007
Posts: 12,653
Likes: 18
From: Broken Arrow, Oklahoma
Default

Could water be running down and getting into the fuse box?
 
Old Oct 3, 2009 | 04:56 PM
  #3  
MidnitEvil's Avatar
MidnitEvil
Thread Starter
|
Ultimate HDF Member
Joined: Aug 2008
Posts: 6,235
Likes: 65
From: Joliet, Illinois
Default

Originally Posted by DannyZ71
Could water be running down and getting into the fuse box?
Since I rode in the rain the last two times I had a problem, I thought it might be a water issue, but, the bike has been sitting in the garage, nice & dry - and it's dead today, so... probably not a water issue (although, if there's a bad connection or wire, it could be exacerbated by riding in the rain)
 
Old Oct 3, 2009 | 05:23 PM
  #4  
JW1200's Avatar
JW1200
Seasoned HDF Member
Veteran: Army
15 Year Member
Liked
Community Favorite
Joined: Sep 2008
Posts: 46,845
Likes: 22,534
From: Land of the Free, Home of Jack Daniel's
Default

Replace the circuit breakers, all of them. It's cheap and easy, and use dielectric grease.
I have to replace mine every few years, but I ride an old shacker. Mine cost $2.99 each X 4 = easy........
 
Old Oct 3, 2009 | 05:26 PM
  #5  
JW1200's Avatar
JW1200
Seasoned HDF Member
Veteran: Army
15 Year Member
Liked
Community Favorite
Joined: Sep 2008
Posts: 46,845
Likes: 22,534
From: Land of the Free, Home of Jack Daniel's
Default

Oh yeah....Buy a Battery!!
 
Old Oct 3, 2009 | 05:59 PM
  #6  
scottwilliamson's Avatar
scottwilliamson
Road Master
Joined: Dec 2006
Posts: 1,181
Likes: 12
From: Dayton, OH
Default

I don't know if you saw the reply I posted today in the other post but I chased a similar problem all summer. Mine turned out to be the stator wire had rubbed on the motor and wore off the insulation creating a short to ground. I cut and spliced the wire and put on some shrink insulation and problem was solved. It was a major pain to find.
 
Old Oct 3, 2009 | 07:01 PM
  #7  
seniorsuperglideE8's Avatar
seniorsuperglideE8
Supporter
Veteran: Navy
15 Year Member
Liked
Community Favorite
Joined: Jan 2007
Posts: 15,788
Likes: 5,625
From: along the shore of Mishigami
Supporter
Default

Have you checked the connections to the 30 amp circuit breaker, behind the electrical box? They are fairly inexpensive I would change it just because. Power goes from the battery to the starter,from starter to copper stud on C/B. The silver stud has the wire from the regulator to ignition switch and to security fuse. since the WG ignition switch is on top of the tank (yes/no) and subject to rain maybe the problem is in the ignition switch wiring. The FXD and FXDL switch is protected by the seat.
 
Old Oct 3, 2009 | 07:09 PM
  #8  
MidnitEvil's Avatar
MidnitEvil
Thread Starter
|
Ultimate HDF Member
Joined: Aug 2008
Posts: 6,235
Likes: 65
From: Joliet, Illinois
Default

Originally Posted by JW1200
Oh yeah....Buy a Battery!!
Already did that one.
 
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Oct 5, 2009 | 10:31 PM
  #9  
MidnitEvil's Avatar
MidnitEvil
Thread Starter
|
Ultimate HDF Member
Joined: Aug 2008
Posts: 6,235
Likes: 65
From: Joliet, Illinois
Default

** Update **

Finally figured out how to get the codes on my bike. Came up with 16 & 44.

Trying to find a reference for what they mean. Found part of a reference which tells me 16 = "Battery Voltage Low"

That's real helpful... like I couldn't figure that out by noting the dead battery?

Now I need to find out what 44 is. (it will probably be as useless as 16 was)
 

Last edited by MidnitEvil; Oct 5, 2009 at 10:59 PM.
Old Oct 5, 2009 | 10:37 PM
  #10  
DannyZ71's Avatar
DannyZ71
Extreme HDF Member
Joined: Jun 2007
Posts: 12,653
Likes: 18
From: Broken Arrow, Oklahoma
Default

Good luck. Keep us posted.
 



All times are GMT -5. The time now is 08:58 AM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE