Ignition/Tuner/ECM/Fuel Injection Need advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.

Help with LED run/turn/brake problem

Thread Tools
 
Search this Thread
 
Old Apr 9, 2007 | 03:36 PM
  #1  
DickGrayson's Avatar
DickGrayson
Thread Starter
|
Road Captain
Joined: Jul 2006
Posts: 561
Likes: 0
From: Pennsylvania
Default Help with LED run/turn/brake problem

I got new rear LED lights along with a run/turn/brake module. Coming out of each light, there are three wires. Black for ground, orange for run and red for turn/brake. I got the black and orange hooked up to the matching main harness wires without any problems. Run light is good.

Now for the problematic part. The red wire is both turn and brake (it's the brighter modulation of the LED). I hooked it up to the red on the main harness and tested brake. Perfect. Then I hooked it up and tested turn. Perfect, again. However, when I hooked it to both the turn AND brake wires, it didn't work. What happened was the brake light (brighter modulation) stayed on instead of being dim for the run function. When I hit the turn signal, it worked, but it flashed from hi to low and then back to hi instead of flashing brighter with each blink.

Does all that make sense? My question is: How do I get the true turn and brake to work properly off of one wire that connects to BOTH of those wires on the main harness? I'll have to hook the other turn to it's wire along with brake, as well, in order for it to be all legit. Would I need to bypass the harness and tap straight into the run/turn/brake module? If so, that will present a problem when running one wire to two different locations on the bike.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
lateralus
Sportster Models
18
Aug 7, 2018 09:56 PM
SLV
Electrical/Lighting/Alarm
0
Jan 8, 2015 10:25 AM
Dyna_Bagger85
Ignition/Tuner/ECM/Fuel Injection
1
Mar 18, 2014 05:16 PM
o3softtail
Touring Models
2
Mar 11, 2010 07:48 PM
20NightTrain03
Ignition/Tuner/ECM/Fuel Injection
2
Jul 20, 2006 12:30 PM




All times are GMT -5. The time now is 09:38 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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