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Discussion Starter · #1 ·
Hi everyone,

Vehicule Information:
==============
2015 Jeep Cherokee Trailhawk w/ Nine Amplified Speakers With Subwoofer

The Situation:
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As I had aftermarket sound systems in almost all my previous vehicules (I'm now 40 years old), I purchased my Cherokee TH with the Premium "Alpine" system. Why ? Because from that point, I thought it could be enough and would not (for once) require an upgrade... again...
Don't get me wrong here, the Cherokee's amplified system is not that bad. To be honest, it's one of the best factory sound system I have experienced. However, after three months of tests and listening, I have to admit the "Alpine" system isn't up to my expectations.

Ok now what ?
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First, don't even think about replacing the head unit, period. Now, do I feel like the amplified system is playing the music loud enough, yes. That said, to me the obvious upgrade option to enhance sound quality was to change the factory speakers for better products.
NOTE: This is what I would call a "Stage 1" upgrade. Therefore, all 9 speakers will be replaced but for now I will keep the subwoofer as it is. With the new speakers in place, a Subwoofer upgrade might be considered, or not.


NOTE: I had to split my project in THREE different THREADS... 1-DASH... 2-DOORS... 3-REAR PILLARS



Before We Begin:
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Please understand that I'm NOT and I DON'T CLAIM TO BE a car audio expert. I do have some experience installing aftermarket radios and speakers in my previous vehicules but that's it. Chances are I may be wrong and/or do some mistakes along the project. Your comments are always welcome but please be gentle as I do this with good faith and to help. :)



Door Speakers
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Driver interior door trim...



Pull the door handle and remove the plastic cover



You need to remove the bigger 10mm socket screw ONLY



Using a plastic tool, lift up, remove & unplug the door control module



Using a small flat screwdriver, insert and lift up the door pit rubber mat



Remove the hidden screw



Once you have removed both screws, you'll have to PULL the interior trim out. I recmmend to start
pulling near the speaker grill on the lower corner. Pull and soon enough you'll hear some "POP!" since
there's plastic clips all around the door... BE CAREFUL since you CANNOT separate the interior
trim from the door, two wires prevent this... By the way, DON'T WOORY if some plastic clips breaks
in the process, we'll cover that later...





To remove the speaker, you'll need a tork (T25) screwdriver bit



Factory speaker connection



Speaker housing, I prefer NOT to cut anything...



Here it is ! The factory door speakers ! One-Way 6x9 speakers... Note that ALL door speakers are
IDENTICAL, same part number. Sorry... NO ALPINE LOGO... Something interesting, for the front
doors these speakers act as component with only BASS output... while on the rear doors, the exact
same "one-way" 6x9's do act as full range speakers... Not good...









Door 6x9 speakers are 2.0 Ohm... important to know to purchase the right replacement speakers...



Replacement speakers are JBL GX962, measured at 2.7 Ohm... that's close enough to the originals...



Metra 71-050 Adapters, required to connect the new speakers WITHOUT cutting or skinning anything



Factory speaker VS replacement JBL unit...



Allright, since the new speakers were a bit too BIG for the door housing, I needed a solution to avoid
cutting anything... the problem was the new speakers were too deep so I used some foam tape and
applied all around the speaker bed. This way, I had the extra height needed and the foam is compressed
when bolting the speaker in place which may prevent vibration. I like !





On the picture below, you notice I have only 2 screws installed... BUT... after a few try, I was finaly
able to use ALL THE 4 SCREWS... YES it's possible... start with one screw, just a few turn, keep it
loose, and then start another for just a turn or two, and so on... at the end you should get all 4 screws
in place...



IMPORTANT :


TEST THE NEW SPEAKERS BEFORE YOU REPLACE THE DOOR TRIM !


For the REAR DOORS the process is almost identical.


One last thing...


Remember the door clips, I DID BROKE TWO over the 4 doors in the process... So I went to the dealer
and I got some of these replacement clips for about $1 each... If you break one or more, REPLACE THEM
since you sure don't want the door to shake & rattle at high volume... Part # 06510766AA...










Final step is REAR PILLAR speakers ! See my other posts !


Daniel
 

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Discussion Starter · #4 ·
Are the screws/bolts for the rear door panels in the same place as the front doors?
Yes, the process is the same for rear doors. The screws are located at the same spots.

Have fun ! :)

Daniel
 
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Yes, the process is the same for rear doors. The screws are located at the same spots.
Nice write-up. I have 3 questions:
1. What kind of difference have you noticed since changing out the speakers to those particular JBL's?
2. Why did you choose those particular speakers over any others?
3. If you had to do it over, is there another set of speaker that you would consider using?
 

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Agreed! Excellent write-up! I will definitely be following it when I am ready to upgrade.

Nice write-up. I have 3 questions:
1. What kind of difference have you noticed since changing out the speakers to those particular JBL's?
2. Why did you choose those particular speakers over any others?
3. If you had to do it over, is there another set of speaker that you would consider using?
I'm also very interested in the decision behind the JBL's. I've never used them in any of my previous stereo builds but I'm definitely looking to upgrade the upgraded "Alpine" setup in my TH. Besides the JBL's I've seen mention of a Kicker setup (non-Mopar) and Rockford Fosgates that "mostly fits" within the Cherokees. Are there any other speakers out there that are worth looking into?

http://jeepcherokeeclub.com/65-electronics-audio-lighting/197713-5-down-4-go-speaker-upgrade.html
 

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Discussion Starter · #8 ·
1. What kind of difference have you noticed since changing out the speakers to those particular JBL's?
2. Why did you choose those particular speakers over any others?
3. If you had to do it over, is there another set of speaker that you would consider using?
Hello fdegree,

Sorry for the very late reply... Here's the answers:

1. The new JBL's are better quality units and can handle more power (especially bass), therefore deliver sound better.

2. First, because of their impedance (Ohm) rating... 2 Ohm rated speakers are not very easy to find among aftermarket speakers. Using 4 Ohm units is OK too but they would be quieter so we'll have to raise the volume a little higher to experience the same volume level as the 2 Ohm units.

3. Any 2 Ohm rated Speakers would be my first pick over 4 Ohm ... the JBL's were 2 Ohm and on budget... however, I know there's some much more expensive units that could fit as well...


Regards, iBypass ;-)
 

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I just replaced my four door speakers with Rockford 6 x 9 two ways. I use the Metra harnesses from Crutchfield. The overall sound is a lot better there is definitely a lot more bass. I originally had a pair of Rockford 3 1/2 inches however they were too tall to fit under the grill. I did order the JVC's so I think that with the combination of 4 two way speakers plus the two on 3 1/2 inch speakers my system should balance out pretty well. I did find it with the door panels lining up the doorhandle piece back on to the plastic tab on the door panel was kind of a pain but overall it wasn't that bad of a job


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Made a little diagram to help people. This is the pin out on the back of the lcd head unit for 2014-2017 Jeep Cherokee 6 Speaker (NON ALPINE) PBT-GF15 connector harness

Looks like all you need to do is buy an amp and an 'audio control lc2i'. Connect the front speaker channels to the lc2i which converts the signal to an RCA signal for the amp. The lc2i also smooths out the bass and some other major enhancements.

I am planning on doing this soon except ill be running all new wires to the speakers and a second amp for a small subwoofer. I am also going to add in the 2 rear pillar speakers as well. I have non alpine 6 speaker from the factory. Total of 9 kicker CSC speakers. Can't do the center channel speaker unless i shell out major money for a DSP processor.


For more references on connectors, this website is a godsend. Pinouts for every connector in vehicle.
http://connectors.dcctools.com/home.htm
 

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I tried to install some Kicker 41KSC694 in my doors yesterday, ran into some issues. First I could not get the top of the door panel to release from the clips. I got all of the bottom and side clips off fairly easily, but the top 2-3 around the window wouldn't budge. This led me to awkwardly laying on the ground and trying to prop the bottom half open and trying to work with that. I was able to get the stock speaker out, wired in the new one, but the depth was just a little too much. With the magnet sitting as flush as possible, there was about a quarter inch gap around the mounting plate. I was able to get 2 screws in, but there was just too much play to leave it there. I ended up putting the stock one back in for now.

I might go get some of the foam and try that, but I'm worried it will still be too much of a gap.
 

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I would just cut the plastic "cage" away. It doesn't do anything acousticly and serves no real. Purpose. If you raise the speaker out your possibly loosing your seal and may not get the door Pana back on. I'm going to be doing this soon. I made the mistake of ordering a good pair of 5.25" kicker KS speakers with adaptor plates. Maybe 0.25% of the factory non alpine bass. The stock basic speakers are practically sub woofers.

I Just installed the rear left door speaker today and applied some sound deadening in the door. Noticed the huge cavity in the door with plenty of room for the deepest of speakers if not for that cage. Most likely is for other cars with more insulation in the doors and would keep that out of the way. But none of that in our jeeps. As for the door, you ha e to give it a heart stopping strong pull from all angles. As long as you pull straight away from the door low chance of clips breaking. And make sure you took both screws out and unhooked the window wire from the controls.
 

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Just had a thought. Before doing anything to the cage, roll window all the way down and make sure the cage isn't limiting speakers because window is behind it when down. I didn't check this.

or maybe these: 6x9 spacers. gives 1.5"
https://www.amazon.com/Metra-82-690...rd_wg=X98HN&psc=1&refRID=EJFQHN95NC8F3PEV27XX

update: front door has some kind of mechanism on the cage for window. back doors i didn't notice that. spacer might do the trick. Ill have to take some measurements. I really want to get a nice pair of 6x9's in here with minimal modification. the 5.25" speakers i got (with bracket)
just doesn't sound right.
 

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After looking a bit more, it seems the front door speakers are severely limited by the front window mechanism. However the rear doors should be able to hold nearly any size 6x9 speaker as it has plenty of room even with window down. The speakers come fairly close to the grill on the door panel so it would not be able to be spaced out too far before causing fitment issues.
 

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This was the best guide on here... then photobucket happened.
 
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I have the Mopar/Kicker replacements in my doors. Since the 9 channel amp only sends mid base to the doors, these speakers are one way. Sitting in my seat, I hear nothing from the doors, but if I open a door and put my ear to the speaker, I do hear the music, but the sound must be absorbed by the seat, or my ear is just too far away to hear it. I'm curious what would happen if I replaced them with Kicker 2-way speakers. Any advice would be welcomed.
 

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Front Speakers

Just an update.
I ended up putting some alpine 6x9's in the front doors. sound great! perfect fitment. They use rare earth magnet to keep the footprint much smaller.

ALPINE SPR-69 6X9" 2-WAY COAXIAL SPEAKERS 300W PEAK / 100W RMS
Top Mount depth: 2-7/8"

[ame]https://www.amazon.com/gp/product/B004WWNSMO/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1[/ame]

 

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I have the Mopar/Kicker replacements in my doors. Since the 9 channel amp only sends mid base to the doors, these speakers are one way. Sitting in my seat, I hear nothing from the doors, but if I open a door and put my ear to the speaker, I do hear the music, but the sound must be absorbed by the seat, or my ear is just too far away to hear it. I'm curious what would happen if I replaced them with Kicker 2-way speakers. Any advice would be welcomed.
If the signal being sent to the door is only mid bass, changing won't do much. the tweeter only plays certain frequency's much higher then whats in the mid bass signal. I would put my efforts into bypassing the factory amp and running your own.
 

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If the signal being sent to the door is only mid bass, changing won't do much. the tweeter only plays certain frequency's much higher then whats in the mid bass signal. I would put my efforts into bypassing the factory amp and running your own.
The factory amp has the surround sound, so I really don't want to eliminate it. I never heard the surround sound until I replaced the speakers. Some tunes sound like I'm in a concert theater. Not sure why this only works on specific songs. :nerd:

This is what I figured about the door speakers, but I wanted another opinion. I'll scratch the idea and just keep what I have.
 

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