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Topic Review (Newest First)
06-29-2014 06:42 PM
Mr.Dave
Quote:
Originally Posted by Mike_4462 View Post
I have a 13 with the Alpine audio and an aftermarket head unit. There is a very noticeable attenuation of the audio output just by unplugging the harness with the hardtop on.
Sounds like you didn't bypass the amp when you installed the radio then. If you are spending money on a new deck, might as well add an amp and wire from either that or the headunit directly to the speakers. The amp is what screws these systems up.
06-23-2014 12:22 PM
JEEPbug If you guys are looking for a not so expensive audio Set up that sounds good with your top down (or just sounds better period) power acustik makes decent amps and infinity speakers sound awesome. My installer recommended the power acustik amp as the higher quality of entry level amps and the infinity speakers as having a solid crisp sound. In all I spent around 350 for the amp and speakers and now the plug trick is irrelevant. Now granted I have an aftermarket head unit but you can still use the stock head unit (with a PAC adapter). I highly recommend this mod. I tried the plug trick and any other tips I could but I've found this to be the only real help for me. Before I couldn't hear music on the highway with the top down and now I can!
06-23-2014 11:33 AM
Mike_4462
Quote:
Originally Posted by Mr.Dave View Post
Again if you changed head units, this won't be valid.
I have a 13 with the Alpine audio and an aftermarket head unit. There is a very noticeable attenuation of the audio output just by unplugging the harness with the hardtop on.
06-23-2014 08:40 AM
Mr.Dave I changed out my amp with a Nitro amp from the same year....don't waste your time with that either.
06-23-2014 08:35 AM
daggo66 Yes, there was a slight difference. Still not like my wife's 14 though.
06-23-2014 08:33 AM
Mr.Dave any difference noticed?
06-21-2014 10:18 PM
daggo66 I never really paid much attention to this thread because I have a soft top. Tonight I was driving my wife's 14 soft top for the first time with the top down and doors off. Her sound bar volume was so much high than mine. Then I started to wonder. When I bought my Jeep in 09 it had a dealer installed hardtop. I told them I didn't want it and they switched it out to the soft top. I started to think that if they did that, they must have wired it. Sure enough the plug was under the fender carpet as will as the washer tube, plugged with a screw. I never even noticed the stalk, which had also been changed out. I just made a jumper out of a wire and noticed a slight difference. It's late so I could turn it up. I'm looking forward to giving it a good test tomorrow.
06-04-2014 12:20 PM
panthermark
Quote:
Originally Posted by Mr.Dave View Post
depends on the music you listen to as well, but if you have your jeep running, or the stereo on, and you remove the harness, it will pause the audio briefly and put it back on at a slightly lower volume. Again if you changed head units, this won't be valid.
Yup, that is exactly what mine did.
I was installing my Hotheads on the side window, unhooked the harness, the sound cut out for a second, then came back at a slightly lower volume with less bass.

It almost reminded me of the "loudness" button that use to be steros/radios back in the 80's and 90's.
06-04-2014 12:16 PM
Mr.Dave depends on the music you listen to as well, but if you have your jeep running, or the stereo on, and you remove the harness, it will pause the audio briefly and put it back on at a slightly lower volume. Again if you changed head units, this won't be valid.
06-04-2014 11:17 AM
MJW1986
Quote:
Originally Posted by theStickbug View Post
Another way to test this would be to disconnect the harness and keep the hard top on. That way you're not changing the acoustics. I thought having the hard top off was causing my stock radio to sound like crap with the top off, but this could be a contributing factor.

I think I'll try this later. I have a '12 Sport, with the stock radio (just with Sirius), and no sub. Needless to say the sound sucks!
I have tried exactly this before I removed my hard top for summer. I have a 2010 JK Sport 2dr with the Infinity system. I COULD NOT HEAR ANY DIFFERENCE.

06-04-2014 02:54 AM
S3AWOLF
Quote:
Originally Posted by 71K5 View Post
I tried the "jumper trick" on my 12' JK Sport Hard Top w/ 130 radio and Uconnect option.
No difference in audio amplitude at all. The audio would pause/reduce in amplitude upon shorting BLK to VLT/WHT as shown in video, but would come back with the same amplitude as without the jumper.
I wonder if it is radio specific?
It could be. Those who replace their head units to something else don't have the problem so it's probably something stereo specific. I have the cheaper stereo in mine so maybe this is a good excuse to get that fancy bluetooth/sirrius touch screen I want.
06-03-2014 09:09 PM
71K5 I tried the "jumper trick" on my 12' JK Sport Hard Top w/ 130 radio and Uconnect option.
No difference in audio amplitude at all. The audio would pause/reduce in amplitude upon shorting BLK to VLT/WHT as shown in video, but would come back with the same amplitude as without the jumper.
I wonder if it is radio specific?
06-03-2014 08:30 PM
kballard72 I had the problem with the stock stereo simply sucking.
So I installed a sub under the seat, pioneer mid/tweet component speakers in the sound bar and a pioneer deck in the dash. much better. Will eventually gut the dash speakers but thats another project.
06-03-2014 05:25 PM
S3AWOLF
Quote:
Originally Posted by shimps1 View Post
Anyone know if Jeeps that came from the factory with a soft top would benefit from this?

Are they constantly set to the lower level?
Based on what I see with mine. Yes
06-03-2014 05:24 PM
S3AWOLF
Quote:
Originally Posted by BigWreck View Post
How do you know you have the same problem if you aren't able to test it to see if your volume changes?
Because I'm getting all the sound out of the front and nothing out of the back just like the ones doing the mod to correct theirs.
06-03-2014 10:41 AM
shimps1 Anyone know if Jeeps that came from the factory with a soft top would benefit from this?

Are they constantly set to the lower level?
06-03-2014 09:58 AM
lee indy i just made a jumper out of a paperclip. taped it up(no hard top anymore) and my base seems better.
06-03-2014 08:48 AM
BigWreck
Quote:
Originally Posted by S3AWOLF View Post
I have this same issue but my JK came with a factory soft top and does not have the hard top wire harness installed.

Where does the wire harness connect upfront so I can ground it there. I found the fuse for the rear wiper in the main fuse box in the engine bay and tried removing the fuse but no change. Any ideas for those of us without a hardtop wire harness?
How do you know you have the same problem if you aren't able to test it to see if your volume changes?
06-03-2014 04:20 AM
Jeffcs I have the alpine system and no difference in volume noticed when I took hard top off Jeep new with duel top portion
but I did the tweeter mod with 6.8 capacitor and replaced the sound bar speakers with kickers and Polly fill
Just wish the dash speakers were easer to get to their next
06-03-2014 02:52 AM
S3AWOLF would really like to fix mine but I dont have a wire harness. Where does the wire harness plug in at?
06-03-2014 02:32 AM
RAMM241 Removed my hard top on my 2014 JKU and checked the stereo for the loss of sound. It actually got LOUDER! It sounds better now then when it did with the hard top on.

06-02-2014 11:50 AM
S3AWOLF I have this same issue but my JK came with a factory soft top and does not have the hard top wire harness installed.

Where does the wire harness connect upfront so I can ground it there. I found the fuse for the rear wiper in the main fuse box in the engine bay and tried removing the fuse but no change. Any ideas for those of us without a hardtop wire harness?
04-09-2014 11:35 PM
IrishRed Panther, I have a factory sub. If there is more than one then I don't know which it is.
04-07-2014 08:08 AM
Mr.Dave As part of my normal top changing routine, the bent 30amp fuse is in the bag with the top parts. Mine changes when I put it in, and I did so yesterday. People with the two door probably do not have to worry about louder volume. It the unlimiteds that require sound to bounce a longer distance. I have an 07 with premium sound, I exchanged the 4 speakers with the kickers, and changed out my amp with the Nitro amp.
04-05-2014 05:19 PM
Flashgordo Today I did a little experiment with my stereo. I downloaded a db meter app for my cell phone. Turned my stereo on set volume to 17, went to the back of my jeep, turned db app on placed my phone up on top of rear seat. With the plug still in my hardtop the db meter recorded 82 db's, I then removed the hardtop plug and checked db app, nothing changed app read 82 db's. So I guess it might depend on your year of jeep, mine is a 2011.
04-04-2014 10:18 PM
RoadiJeff On our 2013 with premium sound it is plenty loud with the hard top off. I experimented with the volume level and cranked it up to 27 as I was driving along one evening. I turned it back down because I was concerned that I'd get pulled over if I turned it up any higher than that.

No jumpers needed to increase the sound needed here.
04-04-2014 08:56 PM
Fr8dawg Great thread as Im starting to think about takin my top off... What a BOGUS thing the geniuses at Chrysler came up with. The stock sound system is impossible to make loud enough to disturb anyone lol! If anything, you need it LOUDER with the top off just to hear it inside the dang jeep!
04-03-2014 09:05 PM
panthermark
Quote:
Originally Posted by CaptRB View Post
As I posted elsewhere, took the top off two days ago on our 2014 Sahara. The stereo was playing as we did it. (430n and Alpine).

When I pulled the back plug, the stereo got LOUDER, bass stronger, just the opposite of what's been reported. I was really surprised, plugged it back in and the volume dropped. There is no doubt.

I wonder if this is the way it supposed to be, a boost in output with top off. But someone got the wiring wrong and it was only corrected recently, which would explain my results.



Robert
I would not be surprised if someone your wiring was backwards somewhere.
04-03-2014 08:04 PM
tomgillotti
Quote:
Originally Posted by NYJETS View Post

Just did this^. I have a 2013 JKU with hardtop. I bought a used soft top and this worked great. I ran the radio, plugged and unplugged the fuse and noticed a definite increase of volume through the subwoofer and sound bar speakers. This forum is awesome!!!!

To whomever thought figured this out...
Did this as well today. Used a 20 amp fuse. It was the heated seats/heated steering wheel fuse (both of which I don't have on my Jeep, so I figured I could borrow it).

I definitely noticed a difference when I put it in mid song like the guy in the video did.
04-03-2014 06:25 PM
CaptRB As I posted elsewhere, took the top off two days ago on our 2014 Sahara. The stereo was playing as we did it. (430n and Alpine).

When I pulled the back plug, the stereo got LOUDER, bass stronger, just the opposite of what's been reported. I was really surprised, plugged it back in and the volume dropped. There is no doubt.

I wonder if this is the way it supposed to be, a boost in output with top off. But someone got the wiring wrong and it was only corrected recently, which would explain my results.



Robert
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