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Old Jan 17, 2013 | 10:29 PM
  #1  
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geezerglide48
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Default Boom audio

I have the boom audio amp on my street glide. It powers the two front fairing speakers and speakers in my saddle bags. The amp uses the front speaker channels from the H-K head unit as the input. I had to take my bike in to the dealer to have some kind of download done after I hooked up the amp and speakers. Everything works fine at this point. This would leave the rear channel outputs from the head unit available, so I hooked these up to the speakers in my front lowers. I done all the work myself which was no big deal, even though the dealer tried to discourage me. The system sounds great except there is no sound coming out of the front lowers which are powered from the head unit. I took the bike to the dealer thinking that it needed another download. They are telling me the speakers should be playing and they need to check my work on my nickel before they will do anything else. I am 99 percent sure that I hooked it up right. I mean it is not that tough a job. Does anybody have any suggestions?
 
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Old Jan 17, 2013 | 10:50 PM
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I wonder if you HU was properly flashed to provide output to the rear. This is what your lowers are running off of correct?
 
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Old Jan 17, 2013 | 10:55 PM
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Yeah that's right Molarman. I could not get that through to the service guy.
 

Last edited by geezerglide48; Jan 17, 2013 at 10:57 PM. Reason: Forgot the not
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Old Jan 18, 2013 | 07:02 AM
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my suggestion is take the front radio outputs (bypass the amp) and connect to the lower speakers.
do you have sound then?
if so then call the dealer and tell them to properly flash your radio so that you have rear outputs and fader control.
 
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Old Jan 18, 2013 | 08:38 AM
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Iron Cross Audio
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Originally Posted by geezerglide48
I have the boom audio amp on my street glide. It powers the two front fairing speakers and speakers in my saddle bags. The amp uses the front speaker channels from the H-K head unit as the input. I had to take my bike in to the dealer to have some kind of download done after I hooked up the amp and speakers. Everything works fine at this point. This would leave the rear channel outputs from the head unit available, so I hooked these up to the speakers in my front lowers. I done all the work myself which was no big deal, even though the dealer tried to discourage me. The system sounds great except there is no sound coming out of the front lowers which are powered from the head unit. I took the bike to the dealer thinking that it needed another download. They are telling me the speakers should be playing and they need to check my work on my nickel before they will do anything else. I am 99 percent sure that I hooked it up right. I mean it is not that tough a job. Does anybody have any suggestions?
Once the HK amp is wired into the system, the front and rear outputs, as well as fader is now controlled by the amp. The CAN Data Bus deactivates the rear output of the radio. We know of no way to flash around that setting.
 
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Old Jan 18, 2013 | 02:36 PM
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good ole HD and their stupid tricks...

IC, do you know what their purpose of doing this was? Seems idiotic at best to me and a good way to force their boom audio fans down the road to aftermarket products.

There must be a reason for them doing this however and makes me wonder if they're not bridging the internal amp of the radio to combine all power going into the amp..
 

Last edited by UltraNutZ; Jan 18, 2013 at 02:42 PM.
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Old Jan 18, 2013 | 06:46 PM
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Thanks to all for the input, it helps tremendously.
Ironcross, what does h-d do for the flhxse. Do the SE's have a different audio setup? That is what I'm trying to duplicate.
Ultranutz, you are exactly right on. When I started this project, my first thought was to yank the stock unit out, but no I wanted it to be all h-d since it is my first new h-d bike.
I would not ride any other bike, well maybe a bmw, but it really is BS the hoops you have to jump thru with h-d. I still may go aftermarket. I have been reading other posts on aftermarket systems and it sounds impressive.
 

Last edited by geezerglide48; Jan 18, 2013 at 08:44 PM. Reason: No reason
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Old Jan 19, 2013 | 07:28 AM
  #8  
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Originally Posted by UltraNutZ
good ole HD and their stupid tricks...

IC, do you know what their purpose of doing this was? Seems idiotic at best to me and a good way to force their boom audio fans down the road to aftermarket products.

There must be a reason for them doing this however and makes me wonder if they're not bridging the internal amp of the radio to combine all power going into the amp..
Not a trick
With the HK amp installed, all outputs originate at the amp being fed by the front channel of the radio. That means that the fader function is now adjusting the output of the amp.
If the rear outputs of the radio remained active, and you wanted to use the fader, you would be adjusting the input to the amp at the same time adjusting the outputs from the amp and the rear outputs of the radio. Any adjustmet to the rear would have the affect of lowering the input to the amp, resulting in decreased volume from all amp outputs (front and rear).
 
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Old Jan 19, 2013 | 09:58 AM
  #9  
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Too much thought process by some engineer sitting around twiddling his thumbs. So instead of "maybe some HD owners will want to upgrade a little past this point with options" lets just stick them with this setup and force them to stay with HD parts at an exorbitant price or make them move completely away from HD to aftermarket. Real geniuses at work there IMO.

I too would like to know how they "circumvent" these limitations on the SE models. Wait... let me guess.. another $200 wiring harness needing to be purchased?



Originally Posted by Iron Cross Audio
Not a trick
With the HK amp installed, all outputs originate at the amp being fed by the front channel of the radio. That means that the fader function is now adjusting the output of the amp.
If the rear outputs of the radio remained active, and you wanted to use the fader, you would be adjusting the input to the amp at the same time adjusting the outputs from the amp and the rear outputs of the radio. Any adjustmet to the rear would have the affect of lowering the input to the amp, resulting in decreased volume from all amp outputs (front and rear).
 
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Old Jan 19, 2013 | 10:17 AM
  #10  
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Originally Posted by UltraNutZ
Too much thought process by some engineer sitting around twiddling his thumbs. So instead of "maybe some HD owners will want to upgrade a little past this point with options" lets just stick them with this setup and force them to stay with HD parts at an exorbitant price or make them move completely away from HD to aftermarket. Real geniuses at work there IMO.

I too would like to know how they "circumvent" these limitations on the SE models. Wait... let me guess.. another $200 wiring harness needing to be purchased?

No, it's a different system with a different amp.
 
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