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Audio cutting out on J&M setup

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Old Oct 24, 2013 | 06:19 PM
  #11  
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John,

I've been out of town all week. I'll call tomorrow.

Dave DuBose

Particulars.
2010 FLHTK.
Stock HK stereo

Updated to:
Rokker 500W amp
Rokker 7.25 front speakers with Crossover
Rokker 5.25 Rear Speakers

The problem is the system cuts out. Starting cold I can turn it on, start increasing the volume and when I get to about 70% power it pops and cuts out. Dead silence.

If during that run up about 50% or so I get a loud passage it it will also pop and cut out.

J&M shipped me a replacement amp. It was installed today and the problem is still there. I'll ship them back the original tomorrow.

I have never updated the firmware on the stereo. I will do that tomorrow.

I'm almost certain its the stereo but never saw any issue prior to the amp install.

Totally confused.
 
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Old Oct 24, 2013 | 08:12 PM
  #12  
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Im going with a bad ground on this one or a loose or bad fuse holder possibly. Sounds like when you have a larger current draw than usual is when this is happening leading me to believe its wiring related

i'm mobile
 
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Old Oct 25, 2013 | 07:26 AM
  #13  
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Originally Posted by UltraNutZ
Im going with a bad ground on this one or a loose or bad fuse holder possibly. Sounds like when you have a larger current draw than usual is when this is happening leading me to believe its wiring related

i'm mobile
The ground is solid to the frame per J&M directions. Might be the fuse. The replacement amp did not come with new power/ground/speaker wires so what was in there originally is still there.

I"ll pull the fuse this evening and replace.

I ran the diagnostics on the HK stereo and if I ran them and read it correctly its throwing no codes.
 
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Old Oct 25, 2013 | 07:39 AM
  #14  
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when adding an amp to the stock headunit, you can pretty much disregard most of the codes a stock head unit will throw.
 
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Old Oct 25, 2013 | 12:05 PM
  #15  
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Ok. I have a plan of action.

1. Replace the fuse on the amp power cord and and see if the problem goes away.

If not:

2. Per JMJohn's suggestion pull the speakers off line 1 at a time, crank it up and see if the problem goes away. If not I'll take it a bit further and take the front pair offline then the back pair off line. Might even do left and right channel.

For whatever reason I can't update my radio. It sits there "verifying volume" and never does anything.
 
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Old Oct 25, 2013 | 05:42 PM
  #16  
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Replace fuse. Problem still exhibits.

Unplugged right front speaker. Problem does not exhibit.
Plugged back in front right, unplugged left front. Problem still exhibits.
Unplugged both front. Problem does not exhibit.

Plugged the left front back in, left the right front unplugged. Kid Rock's "bawitdaba" at 100% power and me with ear plugs. Problem does not exhibit through several full plays.

Looks like a bad speaker.
 
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Old Oct 25, 2013 | 06:15 PM
  #17  
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Originally Posted by Sheep
Replace fuse. Problem still exhibits.

Unplugged right front speaker. Problem does not exhibit.
Plugged back in front right, unplugged left front. Problem still exhibits.
Unplugged both front. Problem does not exhibit.

Plugged the left front back in, left the right front unplugged. Kid Rock's "bawitdaba" at 100% power and me with ear plugs. Problem does not exhibit through several full plays.

Looks like a bad speaker.
well there ya go man.. troubleshooting at it's finest....glad you got it figured out.
 
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Old Oct 25, 2013 | 08:35 PM
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Yep. J&M will send me a new speaker and I stick it in when received.

Got a couple other small issues I caused but I think both are loose connections. Just need to check everything.
 
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Old Oct 29, 2013 | 01:15 PM
  #19  
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4 new speakers being shipped.
 
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Old Nov 3, 2013 | 05:31 AM
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Speakers delivered and installed. Problem seems to be solved. I cranked it up 100% in my outside storage (brick construction) and came inside my house (also brick construction) and sat inside listening to it. Sounded pretty good.

 
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