Audio Systems Find answers to all of your stereo, speaker and other audio technology questions here.
Sponsored by:
Sponsored by:

Lost Tone control and Speed control after upgrade

Thread Tools
 
Search this Thread
 
Old Sep 10, 2016 | 09:36 PM
  #1  
AdmiralAaron's Avatar
AdmiralAaron
Thread Starter
|
Intermediate
Joined: Jul 2016
Posts: 36
Likes: 1
From: Washington State
Default Lost Tone control and Speed control after upgrade





Hey guys,
I finished getting everything installed and operational in my 2015 Ultra, but I noticed I don't have tone control (bass/treble) functioning in the HU. I do have fader and left/right working. I did a reset on the HU and still got the same result.


I have dual biketonics linelevers going into dual Cerwin Vega amps.
Any thoughts?
 
Reply
Old Sep 10, 2016 | 09:49 PM
  #2  
Tailwind's Avatar
Tailwind
Ultimate HDF Member
Joined: Mar 2015
Posts: 6,446
Likes: 873
From: TEXAS
Default

Reach out to Mike at BT. I think this a recent fuxx up involving the latest LLs coming off the production line.

Just a guess, but I do remember seeing at least 3 or 4 of these and think the LL was the culprit.

T
 
Reply
Old Sep 11, 2016 | 12:11 AM
  #3  
Babyboy's Avatar
Babyboy
Stellar HDF Member
10 Year Member
Photogenic
Photoriffic
Shutterbug
Joined: Aug 2014
Posts: 2,844
Likes: 574
From: Lockport Illinois
Default

Originally Posted by Tailwind
Reach out to Mike at BT. I think this a recent fuxx up involving the latest LLs coming off the production line.

Just a guess, but I do remember seeing at least 3 or 4 of these and think the LL was the culprit.

T
So you are saying the latest and greatest BT355 may be conflicting with the stock HU and disabling the tone controls on the HU?

I don't see how that could be as the LL is down stream from the HU
 
Reply
Old Sep 11, 2016 | 12:38 AM
  #4  
Ragz Ultra's Avatar
Ragz Ultra
Cruiser
Joined: Apr 2015
Posts: 163
Likes: 1
From: TN
Default

Check your phase inputs you may have something crossed. The LL on the top has the RCA's red to white and white to red try swapping and see if you get tone control back
 
Reply
Old Sep 11, 2016 | 06:23 AM
  #5  
Tailwind's Avatar
Tailwind
Ultimate HDF Member
Joined: Mar 2015
Posts: 6,446
Likes: 873
From: TEXAS
Default

Originally Posted by Babyboy
So you are saying the latest and greatest BT355 may be conflicting with the stock HU and disabling the tone controls on the HU?

I don't see how that could be as the LL is down stream from the HU
No idea about the specifics. Sure the OP could search "tone control" and educate us about his findings. All I am remembering is that a couple of Rushmore folks have had this same problem lately and in the one or two cases where guys reported back, they stated that BT Mike hooked them up. I know one for sure was a FedEx of new BT355 and whala!!!

T.
 
Reply
Old Sep 11, 2016 | 12:14 PM
  #6  
Bertk's Avatar
Bertk
Ultimate HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Mar 2008
Posts: 5,788
Likes: 203
From: SW Florida
Default

Originally Posted by AdmiralAaron
Hey guys,
I finished getting everything installed and operational in my 2015 Ultra, but I noticed I don't have tone control (bass/treble) functioning in the HU. I do have fader and left/right working. I did a reset on the HU and still got the same result.

I have dual biketonics linelevers going into dual Cerwin Vega amps.
Any thoughts?
Just to clarify a couple of things. The stock HU doesn't have left/right balance controls. Only fade to front and rear speaker on the Ultra.

When you say there is no tone control (bass/treble) do the bass and treble sliders move back and forth on the screen with the controls?
Or do they move back and forth and you can't hear the tone change?
 
Reply
Old Sep 11, 2016 | 12:23 PM
  #7  
AdmiralAaron's Avatar
AdmiralAaron
Thread Starter
|
Intermediate
Joined: Jul 2016
Posts: 36
Likes: 1
From: Washington State
Default

Hey Bertk... On the HU I can slide the bass/treble back and forth on screen but can't hear any difference and also I have the speed control turned all the way up, yet the volume does not change when I am at low speeds or high speeds riding.


Ragzs.. I was actually thinking along those lines. I will try swapping the RCAs on the LL. I also wanted to go through and check the individual speakers to make sure I have the positive and negatives correct.
 
Reply
Old Sep 11, 2016 | 01:01 PM
  #8  
Bertk's Avatar
Bertk
Ultimate HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Mar 2008
Posts: 5,788
Likes: 203
From: SW Florida
Default

Originally Posted by AdmiralAaron
Hey Bertk... On the HU I can slide the bass/treble back and forth on screen but can't hear any difference and also I have the speed control turned all the way up, yet the volume does not change when I am at low speeds or high speeds riding.
This sounds more like a Flash or Software update issue.
Is the HU flashed to a stock Ultra, 0 amps 4 speakers?
What is the software version installed?
If the software version has been changed was the HU reset?

Ragzs.. I was actually thinking along those lines. I will try swapping the RCAs on the LL. I also wanted to go through and check the individual speakers to make sure I have the positive and negatives correct.
This is always good to check.
 
Reply
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 Sep 11, 2016 | 11:03 PM
  #9  
Ragz Ultra's Avatar
Ragz Ultra
Cruiser
Joined: Apr 2015
Posts: 163
Likes: 1
From: TN
Default

I had a similar condition but mine was a harness with a bad phase just looking at the picthe visible LL the rca are swapped if they are the same at the amp then it wouldn't matter I noticed to that the amps 180 from each other on the inputs which is probably fine but I'm thinking it's a phase problem. One speaker out of phas and tone control goes away on a rushmore. Ŕt least it did with mine.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
joebedford
EVO
3
Jul 14, 2019 05:59 PM
radudel
Touring Models
6
Feb 4, 2019 10:26 AM
foxtrapper
Touring Models
7
Sep 26, 2018 10:18 AM
2AMGuy
Touring Models
6
Jul 27, 2017 09:39 AM
mmcbeat
Touring Models
56
Apr 2, 2011 01:12 PM




All times are GMT -5. The time now is 06:42 PM.

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