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Old 10-05-2013, 08:29 AM   #1
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Stereo install harness question

I have a jvc stereo in my 97 tj now( PO installed), the cd player dosent work so I am getting ready to put a new one in. Im looking at a kenwood with usb port. I see that there are 2 factory plugs for the stereo that's in there now. I was planning on unplugging the old radio and purchasing a new harness to wire into the kenwood plug.

http://www.crutchfield.com/p_1207018...7#overview-tab

My question is, Has anyone installed there own? Im concerened that when I go to splice wires from new radio plug to new harness colors might be different, that's how my luck usually goes. Has anyone ran into this before? I have knowledge of wiring but am by far a professional, any help would be greatly appreciated. thank you

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Old 10-05-2013, 08:32 AM   #2
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The new adapter harness will have a color diagram as will the Kenwood stereo. Normally the colors do match though. Speaker are generally 4 pairs (grey, white, green, purple) then the black ground, red power, and yellow memory.

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Old 10-05-2013, 08:55 AM   #3
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If there is an adapter in there already it would be just removing the old head end and putting on your Kenwood plug that comes with the radio. No need to buy another adapter
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Old 10-05-2013, 09:01 AM   #4
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If there is an adapter in there already it would be just removing the old head end and putting on your Kenwood plug that comes with the radio. No need to buy another adapter
Yeah but the good thing with Crutchfield is that you normally get all the required installation pieces for free. So why not use a new harness if it is free.
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Old 10-05-2013, 09:26 AM   #5
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Yeah but the good thing with Crutchfield is that you normally get all the required installation pieces for free. So why not use a new harness if it is free.
I understand if there free but I(the cheap sob I am) generally get just the head unit off ebay for cheap and just reuse the parts I have. But the great news is he will have some bumping tunes. May I add as a suggestion having blue tooth on it was one of the best upgrades I did to mine. Works great for talking while driving except when the top is off. And you can listen to music stored on your smart phone without having to plug it in.

And x2 with bigsarge the colors will be the same
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Old 10-05-2013, 09:40 AM   #6
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Most all radio harness adapters and aftermarket brand radio use the same standardized color scheme for their wiring. They may be different shades of the same color though ( bright green/dark green).
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Old 10-05-2013, 10:27 AM   #7
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Not only a USB port, but bluetooth (as someone already said), and Aux-in(front and back). The Aux-in eliminates the static of bluetooth. I normally don't like talking while I'm driving, even on bluetooth, so Aux-in, plays the music without the wireless background noise, and I still get notification of a call through the car speakers.

I actually wired my USB and Aux-in from behind the stereo to eliminate the hanging wires over the front of my console.


About your question, I just rewired my stereo after a professional installer skewed(better word) it up. I found most of the wires back there, but the wiring harness on the Jeep is not user friendly. Most Harnesses have all the wires on one plug, but not my 1997 Sport. That would have made things to clear. One harness has two speaker wires, two illumination wires, two ignition power wires, and maybe a ground. But the other speaker wires are found elsewhere. It befuttles people and me, why two power ignition wires are needed right next to each other on that harness, and yet only two of eight speaker wires. I understand that there maybe two harnesses for the radio, but I didn't need the other one for what I needed to do. It just sounds really unnecessary to have two separate radio harnesses for one radio. Nope, this Jeep is not User friendly at all. (End Of Rant)
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Old 10-06-2013, 08:35 AM   #8
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Thanks for the info guys, this may be a stupid questin buy beng that theres a usb port and aux jack In the stereo, will there be any more wiring for that or does it just run off the regular plugging harness? thanks again
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Old 10-06-2013, 08:53 AM   #9
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http://www.metraonline.com/part/Chry...arness_70-1817

Here is the harness. Chrysler actually has a more logical layout for their harness than most other companies. One plug has all your power needs, illumination and the positive speaker leads for the front speakers the other has the rear speakers, ground, and remote amp/power antenna. You should try to figure out a Honda harness. I swear they put razor blades inside the dash and the wires are thin gauge dental floss.
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Old 10-06-2013, 08:56 AM   #10
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Quote:
Originally Posted by Big Sarge View Post
The new adapter harness will have a color diagram as will the Kenwood stereo. Normally the colors do match though. Speaker are generally 4 pairs (grey, white, green, purple) then the black ground, red power, and yellow memory.
Yellow is constant power. Red is ignition (or memory). It will turn on and work your way but it won't save any settings.
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Old 10-06-2013, 12:25 PM   #11
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Originally Posted by Mtber7828 View Post
Thanks for the info guys, this may be a stupid questin buy beng that theres a usb port and aux jack In the stereo, will there be any more wiring for that or does it just run off the regular plugging harness? thanks again
no, there won't be any additional wiring for those features.
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Old 10-06-2013, 12:53 PM   #12
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Originally Posted by Mtber7828 View Post
Thanks for the info guys, this may be a stupid questin buy beng that theres a usb port and aux jack In the stereo, will there be any more wiring for that or does it just run off the regular plugging harness? thanks again
All of that stuff come from the stereo no extra wires in the harness
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Old 10-06-2013, 01:28 PM   #13
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Metra Part # 70-1817 | Chrysler wire harness | Metra Online

Here is the harness. Chrysler actually has a more logical layout for their harness than most other companies. One plug has all your power needs, illumination and the positive speaker leads for the front speakers the other has the rear speakers, ground, and remote amp/power antenna. You should try to figure out a Honda harness. I swear they put razor blades inside the dash and the wires are thin gauge dental floss.
Yep, thanks for the info. Its just like I figured. It has two separate harnesses.
I found the gray one, now I have to locate the other one and decode the wires.
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Old 10-06-2013, 01:38 PM   #14
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no, there won't be any additional wiring for those features.
That's not entirely true. Which part? (This feels like "ID4"). Well, you will need to run the connecting wire for the USB or Aux from the back of the stereo, if you want to use them, with the proper connector, to the front of the stereo or to your glove box.
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Old 10-06-2013, 11:16 PM   #15
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Originally Posted by ChasUGC View Post

Yep, thanks for the info. Its just like I figured. It has two separate harnesses.
I found the gray one, now I have to locate the other one and decode the wires.
Here ya go. 97 Wrangler

http://www.the12volt.com/installbay/...ailm/1236.html
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Old 10-07-2013, 07:41 AM   #16
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That's not entirely true. Which part? (This feels like "ID4"). Well, you will need to run the connecting wire for the USB or Aux from the back of the stereo, if you want to use them, with the proper connector, to the front of the stereo or to your glove box.
All radios that I've dealt with either had the USB and AUX jack up front or an AUX jack in front and USB out back with female connector on it. My comment was meant to tell the op there would be no additional wiring to do with the radio/vehicle harness wiring.
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Old 10-07-2013, 06:42 PM   #17
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All radios that I've dealt with either had the USB and AUX jack up front or an AUX jack in front and USB out back with female connector on it. My comment was meant to tell the op there would be no additional wiring to do with the radio/vehicle harness wiring.
I know what you meant, I was just referring to the semantics, or the specific meaning of your reply. Depending on the application, he may still need a USB cable or an Aux cable. He would have to plug those in, and wire them from the back to the front, depending on his preference for accessibility of those options. I choose to wire mine from the back because I didn't like the wires hanging over my shifter and console. The specific wiring of the radio to the vehicle, in your statement was true, but not entirely true. Because, for certain applications, additional wiring and cables might be neccessary.

I didn't mean to slight you.
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Old 10-07-2013, 06:53 PM   #18
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Thanks, I saw that information. But, it is not accurate. The wires on my harness are red and yellow for the power from the ignition, and they are not listed. No, pink wires that I can see as the information states. I also have a orange wire with white stripe, and the information doesn't refer to that wire. I also have a white wire with black stripe, and the information doesn't refer to that wire either. The only wire that I can see that is accurate from that information is the orange wire, and I knew that, because it says it on the wire. But, thanks for the effort.
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Old 10-07-2013, 07:03 PM   #19
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Originally Posted by ChasUGC View Post
Thanks, I saw that information. But, it is not accurate. The wires on my harness are red and yellow for the power from the ignition, and they are not listed. No, pink wires that I can see as the information states. I also have a orange wire with white stripe, and the information doesn't refer to that wire. I also have a white wire with black stripe, and the information doesn't refer to that wire either. The only wire that I can see that is accurate from that information is the orange wire, and I knew that, because it says it on the wire. But, thanks for the effort.
The white with black stripe is a speaker wire. Can't remember which one off the top of my head.
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Old 10-07-2013, 09:43 PM   #20
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The white with black stripe is a speaker wire. Can't remember which one off the top of my head.
Thanks. Yeah, I kind of figured that's the type of wire it is.
Striped wires are normally speaker wires.
But, like you said which one, and which charge?
Are negatives striped and solids positive? Then, I have heard
that some switched wires can be positive or negative.
I wish Jeep would say for sure about that as well. But, they don't.
The brake wire for example, I've heard can a positive or negative, although
it seems to be normally negative.
If they are going to place the white wire with a black stripe, then why not have a white wire without the stripe, right next to it? Are they just striping all the speaker wires,
and you have to trace the color back to the speaker, and then mark it at the HU, and the charge?

Why do they have to make it like rocket science?
I even have the 97 FSM now, and it doesn't detail the wire diagram.
At least I haven't found it yet. Ah, fiddle sticks.
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Old 10-07-2013, 09:59 PM   #21
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I have a jvc stereo in my 97 tj now( PO installed), the cd player dosent work so I am getting ready to put a new one in.
Are you sure that the CD player doesn't work? Some car CD players are really sensitive to scratched CD's and won't play them. If you burn an audio CD and don't close it, most CD players can't play it. Most CD players won't play MP3 formatted CD's either. Even if the CD is brand new, if it isn't shiny, the laser may not be able to read it. Another reason could be that the laser is dirty. A laser cleaner might fix that problem. If the CD player doesn't spin at all, then it is probably bad. If it spins but can't read, it could be a million other reasons.
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Old 10-07-2013, 10:50 PM   #22
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Originally Posted by ChasUGC View Post

Thanks, I saw that information. But, it is not accurate. The wires on my harness are red and yellow for the power from the ignition, and they are not listed. No, pink wires that I can see as the information states. I also have a orange wire with white stripe, and the information doesn't refer to that wire. I also have a white wire with black stripe, and the information doesn't refer to that wire either. The only wire that I can see that is accurate from that information is the orange wire, and I knew that, because it says it on the wire. But, thanks for the effort.
These are the colors of the wires from the Jeep. You just told me the colors from the harness that attaches to the radio harness which are a universal color code. I was understanding that the wires were cut and you needed to hardwire them.

I guess the question I have now is there a grey and a black plug attached to the harness in the stereo cavity? If so then the harness with the colors you just gave me plug into those and then you wire them color to color on the aftermarket radio harness. If those plugs have been cut out, then the site I gave you lists the factory wiring colors you'll need to wire to the aftermarket harness that comes with the radio. If the factory plugs have been cut out then the harness you bought won't plug in anywhere.
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Old 10-07-2013, 11:29 PM   #23
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The white with black stripe is a speaker wire. Can't remember which one off the top of my head.
Red = Ignition 12V to pink
Yellow = constant 12V to Pink/white stripe
Black = Ground to chasis
Blue/white stripe = amp turn on (not used)
Blue = Pwr antenna(not used)

Orange/white stripe = dimmer (optional) to Black/yellow stripe

White= left front + to Brown/red stripe
White /black stripe = left front - to Green
Gray = right front + to Blue
Gray/black stripe = right front - to Purple
Green = left rear+ to Brown/yellow stripe

Green/black stripe = left rear - to Brown/Blue stripe

Purple = right rear + to Blue/white stripe
Purple/black stripe = Right rear - to Blue/Red stripe

The first color listed is the aftermarket harness color, the second color listed is the factory harness colors. These are what will match up when the harness is plugged into factory wiring. If the factory harness has been removed then by wiring the first color listed from the aftermarket harness to the second color listed from the factory wiring it should work. I would imagine a fuse is blown if any wires have been exposed and allowed to touch. If this list is too confusing or you don't find the colors on this list I strongly recommend you seek a stereo shop to do your install.
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Old 10-08-2013, 10:27 AM   #24
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Wow now I'm really confused. I myself have the 2 black and grey plug harness on my jeep. I'm really hoping a new harness will be color matched to the plug on my kenwood. Wish me luck.
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Old 10-08-2013, 10:28 AM   #25
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Wow now I'm really confused. I myself have the 2 black and grey plug harness on my jeep. I'm really hoping a new harness will be color matched to the plug on my kenwood. Wish me luck.
It will be! You will however notice that there is no ground on the Jeep side. You will have to use the grounding strap that originally bolted to the back of the factory stereo.
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Old 10-08-2013, 10:03 PM   #26
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Wow now I'm really confused. I myself have the 2 black and grey plug harness on my jeep. I'm really hoping a new harness will be color matched to the plug on my kenwood. Wish me luck.
I'm trying to sort through this myself. My harness has a orange wire, and a orange with white stripe wire. I am assuming that this is a aftermarket harness. I am just trying to find a diagram of this aftermarket harness. It would make it easier to cut the wires, if I am sure which wires I am cutting.

I guess I'll just have to pull each speaker out, and match the color behind my radio. I just met with an installer who said that it is best to run all new speaker wires directly to your stereo or amp, instead of going through the harness. This is because a better grade of stereo wire can be used, and you won't compromise the integrity of your speaker connections. This makes sense since I am dealing with a short somewhere in my speaker connections.

It is a PITA. My "professional installer" ran big speaker wires to the small Jeep wiring harnesses, behind my stereo, and then ran them back to my amp. I guess this is normal, but not optimal.

The best way is to run the all new speaker wires directly to the amp. All these unnecessary crimped connections, to and from the speaker harness adds the possibility of bad connections, and is likely the reason I am experiencing my amp going into protection mode even when it is cold. And, my amp is heating up too fast. I could probably just rewire the one speaker that was testing faulty, directly to my amp, but it would probably help my amp's efficiency to rewire all of them.
Now, I have to rewire my speakers, myself, to sort it out. If you want it done right, it is best to do it yourself. A real PITA.
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Old 10-08-2013, 10:41 PM   #27
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Just did this a month ago. Ordered a Kenwood deck from crutchfield, it came with the adapter harness and a wiring diagram. Put the adapter harness diagram next to the Kenwood diagram on the work bench and make all of your connections. Then walk the entire assembly over to the vehicle, plug in the adapter to the 2 vehicle plus, and bolt up the head unit to the dash. Take it one wire at a time, nice and simple.
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Old 10-09-2013, 06:27 PM   #28
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ok guys, I just got my harness and Kenwood 255u stereo. On the Wiring Harness there are 2 orange wires (illumination and dimmer) there are NO Orange wires on the kenwood plug. What do I do? just leave them unwired? Thank you
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Old 10-09-2013, 06:46 PM   #29
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If you don't have a dimmer on the Kenwood, then snip off any exposed wire and cap/tape off. They are unused in your application.
Do you have a factory sub? If so, that's a common wiring issue that's easy to resolve before you close everything back up.
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Old 10-09-2013, 07:21 PM   #30
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Thanks ryan, no I don't have any factory subs

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