Softail Models Standard, Custom, Night Train, Deuce, Springer, Heritage, Fatboy, Deluxe, Rocker and Cross Bones.
Sponsored by:
Sponsored by:

Turn signal and running light issues

Thread Tools
 
Search this Thread
 
Old Jan 6, 2017 | 03:58 PM
  #1  
adlm's Avatar
adlm
Thread Starter
|
Stage III
Joined: Jan 2017
Posts: 3
Likes: 0
From: South Arkansas
Default Turn signal and running light issues

I bought my first motorcycle last night, a 2001 Heritage Softail Classic. It has an issue with the turn signals and running lights that I thought was a simple bulb replacement, but turns out i was wrong. This bike has the turn signal module on it to make the rear turn signals into running lights. The right light works fine. But the left won't operate as a running light, only as a turn signal. Also, the front left turn signal is always on (both filaments) and will not blink when I use that turn signal. Any ideas where I need to start looking to fix this?
 
Reply
Old Jan 6, 2017 | 04:26 PM
  #2  
JeffJA's Avatar
JeffJA
Road Warrior
Joined: Jul 2012
Posts: 1,616
Likes: 12
From: MA
Default

does it do it still if you remove module?
i had an issue almost like that, one of wires going into the turn signal housing was loose, try and move some wires around and see if they go on or off.
 
Reply
Old Jan 6, 2017 | 05:14 PM
  #3  
RedHogz's Avatar
RedHogz
Tourer
Joined: Nov 2016
Posts: 295
Likes: 26
From: Western CT
Default

X2 on removing the module first. Once it's back to stock you can easily troubleshoot using the factory HD service manual.
 
Reply
Old Jan 7, 2017 | 03:34 PM
  #4  
Pitbull_Dallas's Avatar
Pitbull_Dallas
Road Master
Joined: Nov 2013
Posts: 852
Likes: 54
From: Dallas tx
Default

X3 on removing the module and see what it does. It only takes a minute. The lights will do some funky stuff if the module has a problem. I'm on my third one at the moment..
 
Reply
Old Jan 7, 2017 | 05:16 PM
  #5  
adlm's Avatar
adlm
Thread Starter
|
Stage III
Joined: Jan 2017
Posts: 3
Likes: 0
From: South Arkansas
Default

I unplugged the module, and rear turn signals operate as they should. I still had issues with the front light though. I took the (brand new) bulb out and cleaned inside the socket as best I could, and reinserted it. Still have both filaments burning all the time, no blinking when I use the turn signal. So I removed it again and repeated, same result. Took it out a third time, turned the bulb 180* and reinserted. All is working well now. That shouldn't have worked, should it?

Also, how often to the modules go out, and is there a better alternative? I really like having the rear turn signals as running lights. Since they are not currently running lights, do I need to find some amber lenses?
 
Reply
Old Jan 7, 2017 | 06:40 PM
  #6  
Pitbull_Dallas's Avatar
Pitbull_Dallas
Road Master
Joined: Nov 2013
Posts: 852
Likes: 54
From: Dallas tx
Default

If there is anything at all between the two contacts clean it out. Even if you don't see anything, clean between the contacts. Use alcohol if you have it.

I've had to clean mine a couple of times, but in my case it was burning up the bulbs.

The module life seems to vary. My first one lasted about three years and then just fell apart, literally. The second one only lasted a year. The one on the bike now has five years and still going. A guy I ride with, who's had his bike longer than me has never replaced his.
 

Last edited by Pitbull_Dallas; Jan 7, 2017 at 06:46 PM.
Reply
Old Jan 7, 2017 | 07:33 PM
  #7  
Tom84FXST's Avatar
Tom84FXST
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Nov 2009
Posts: 15,706
Likes: 22,726
From: Farmington ,MS
Default

Originally Posted by adlm
Took it out a third time, turned the bulb 180* and reinserted. All is working well now. That shouldn't have worked, should it?

Have you tried plugging the module back in to see if it works now?
 
Reply
Old Jan 7, 2017 | 07:52 PM
  #8  
RANGER73's Avatar
RANGER73
Club Member
Veteran: Army
Joined: Sep 2010
Posts: 15,436
Likes: 7,130
From: Beyond Fucital
Default

Buy a new module.
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

Harley-Davidson Fat Boy Becomes a Dark, Decepticon-Inspired Custom

 Verdad Gallardo
story-1

6 Weirdest Harley-Davidsons Ever Sold to the Public

 Verdad Gallardo
story-2

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-3

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-4

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-5

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-6

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

 Verdad Gallardo
story-7

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

 Verdad Gallardo
story-8

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-9

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
Old Jan 7, 2017 | 07:52 PM
  #9  
RedHogz's Avatar
RedHogz
Tourer
Joined: Nov 2016
Posts: 295
Likes: 26
From: Western CT
Default

IF it's bad and it's a Custom Dynamics module, try to find out how old it is. Custom Dynamics offers a 5 yr warranty on their product.
 
Reply
Old Jan 8, 2017 | 04:07 PM
  #10  
adlm's Avatar
adlm
Thread Starter
|
Stage III
Joined: Jan 2017
Posts: 3
Likes: 0
From: South Arkansas
Default

It appears to be a Harley part. On closer inspection, it also appears that one corner of the housing is melted. I'd say that's a pretty good indicator that it's a bad part.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JediGoalie30
Electrical/Lighting/Alarm
0
Mar 30, 2017 08:02 AM
Patrick1979
Electrical/Lighting/Alarm
5
Jul 9, 2015 09:19 PM
robkei
Ignition/Tuner/ECM/Fuel Injection
0
Jul 5, 2010 08:21 PM
z28kilr
Ignition/Tuner/ECM/Fuel Injection
0
Apr 14, 2010 11:53 AM
car5car
Ignition/Tuner/ECM/Fuel Injection
1
Nov 27, 2009 08:00 AM




All times are GMT -5. The time now is 11:59 AM.

story-0
Harley-Davidson Fat Boy Becomes a Dark, Decepticon-Inspired Custom

Slideshow: Killer Custom's latest build relies on styling changes rather than performance upgrades, giving the cruiser an entirely different personality.

By Verdad Gallardo | 2026-06-03 18:28:05


VIEW MORE
story-1
6 Weirdest Harley-Davidsons Ever Sold to the Public

Slideshow: From military-inspired singles to scooters and three-wheel utility vehicles, these Harleys took the company far outside its comfort zone.

By Verdad Gallardo | 2026-06-02 18:34:10


VIEW MORE
story-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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