Sound/Volume limited with soft top (only) or hard top removed - JeepForum.com

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post #1 of 35 Old 08-30-2013, 10:07 AM Thread Starter
JoeBIII
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Sound/Volume limited with soft top (only) or hard top removed

I've seen several references in this forum to volume limiters enabled on JKs without a hard top installed. I'm familiar with the threads of even 'jumping' the hard top harness to trick the system into thinking a hard top is present. For those of us especially with soft tops-only (and no hard top harness), has anyone truly identified how/where the sound bar and rear sub speakers are getting 'dummied-down'? The dash speakers appear much louder (than the same speakers in the sound bar).

I really want to retain my 730n + connectivity package - so I'd like to figure out how to unleash more sound without having to roto-rooter my entire system. I just ordered 4 new 6.5" speakers (for dash and sound bar) - thanks to the suggestions by several of you. I see that there's also a Plug-n-play kicker upgrade/replacement amp.... Would that bypass the limiter?

I assume that my upgrade to the (very mediocre 'premium sound system') speakers would still be affected by whatever is ultimately limiting the volume. Is the restriction the head unit, amp, wiring...?

For your reference I have a '14 sahara soft top (only) with the 'premium' alpine system + 730n and factory (useless) sub. The thump of the sub is so nonexistent that I had to turn up the volume and then open up my back tail gate and put my ear up to it to see if it was even working.

I see where several other soft-top-only owners have posed similar questions - but I have yet to see a resolution other than suggestions to replace everything. Thanks in advance.

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post #2 of 35 Old 08-30-2013, 01:28 PM
zjilla
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How does the jeep know the hard top is on? Im confused

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post #3 of 35 Old 08-30-2013, 03:09 PM
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Quote:
Originally Posted by zjilla View Post
How does the jeep know the hard top is on? Im confused

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When you have the factory hard top, there is a harness that is included (power to the interior lights, rear defost, rear wiper, ect) in the rear of the Jeep....it plugs into the hard top and would assume, completes a circuit. That is how "jumping the harness" works.

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post #4 of 35 Old 08-30-2013, 09:22 PM
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I have a 13 jkur and mine sounds the same top on or off. I don't believe there is a wiring thing that turns down the power. With the soft top on of course you have to turn up the volume due to road noise and I imagine the hard top also keeps in the sound of the stereo better.

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post #5 of 35 Old 08-30-2013, 09:41 PM
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Quote:
Originally Posted by 2003Sahara View Post
I have a 13 jkur and mine sounds the same top on or off. I don't believe there is a wiring thing that turns down the power. With the soft top on of course you have to turn up the volume due to road noise and I imagine the hard top also keeps in the sound of the stereo better.
There is....

Have you tried a jumper? It take 10 seconds to try.

What we don't know is why it works for some but not for others.

I used to have mine jumped, but I pulled my jumper...mostly because I'm worried that I'll somehow hit my rear windshield wiper fluid switch and soak the back of my Jeep.

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post #6 of 35 Old 08-31-2013, 12:56 AM
zjilla
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Quote:
Originally Posted by panthermark View Post
When you have the factory hard top, there is a harness that is included (power to the interior lights, rear defost, rear wiper, ect) in the rear of the Jeep....it plugs into the hard top and would assume, completes a circuit. That is how "jumping the harness" works.
my interior lights are on the roll bars. the plug you are refering too just controls the rear defroster and wiper

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post #7 of 35 Old 08-31-2013, 02:27 AM
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It works great for me.

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post #8 of 35 Old 08-31-2013, 12:09 PM
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am i missing something here>>>???? what lights on the hardtop>? i have no lights....in no way shape or form are my speakers wired or plugged to the hard top. the rear plug is just for the wiper...defroster and sprayer........

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post #9 of 35 Old 08-31-2013, 12:11 PM
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volume limiter when the hardtop is on>? someone is going to have to prove this to me bc i really dont believe it. as for the interior lights.....arent they just connected to the 4 doors?

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post #10 of 35 Old 08-31-2013, 01:48 PM
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My 2013 2 door rubi is louder when the hard top wiring is unplugged.I guess mine is a oddball.I mentioned this before on another thread and only one other person said theres did the same thing.

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post #11 of 35 Old 08-31-2013, 02:29 PM
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There's a massive thread from about a month ago with dozens of people trying the jumper thing and noticing a difference.

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post #12 of 35 Old 08-31-2013, 09:45 PM
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Quote:
Originally Posted by zjilla View Post
my interior lights are on the roll bars. the plug you are refering too just controls the rear defroster and wiper
Quote:
Originally Posted by mrsig View Post
It works great for me.

I had to go run out and look at my hardtop hanging in the garage. You are correct, lights are on the roll bar, not the hard top.

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post #13 of 35 Old 08-31-2013, 10:58 PM
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ok ok....i found this on you tube..... i guess your right
u can hear the diffrence when he plugs and unplugs it. why would the volume be limited when the hardtop is removed? saftey wise- shouldnt it be the opposite?

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post #14 of 35 Old 09-01-2013, 12:20 AM
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My guess?

Lawyers.....and it is probably the same reason as to why the soundbar speakers seem muted compared to the front speakers. Jeep does not want to get sued for hearing damage or noise pollution or some crud like that.

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post #15 of 35 Old 09-01-2013, 05:45 AM
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Quote:
Originally Posted by panthermark View Post
... noise pollution...
http://youtube.com/watch?v=5JWBmZTad2E
Besides, how are we supposed to hear over MT tires or boggers, man those sound awesome on the highway!
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