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Old 04-01-2013, 02:40 AM   #1
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help bad install

I just finished installing a Kenwood excellon 997. Tested it, worked great, used wiring harness, steering wheel controls worked great, screw it in, put trim plate on, tested it again, everything great, reinstall dash and fire up the Jeep to pull it out if the garage and it won't work. Absolutely no power at all. Any ideas?

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Old 04-01-2013, 08:55 AM   #2
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The stereo won't work, or the Jeep won't?

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Old 04-01-2013, 10:17 AM   #3
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Sorry, finished at 2 am and quick post from my phone. The jeep started fine but the head unit was totally unresponsive. This morning, same thing. I tried to stick a cd in it, and it took it, and then the thing worked fine after that. Unfortunately, I discovered two problems with the install:

(1) the antenna reception (fm) doesn't appear to be nearly as good as it was with the stock stereo. I'm thinking I may not have a good connection. When I unhooked the old antenna, I accidentally broke the clip on the antenna part that stays in the car trying to unhook it from the old radio. So when I installed the new one, I tried to shove the antenna adapter way up into the old antenna to make sure the connection was good. In the course of doing that, the new adapter wire came out of hte clip for the new adapter. I was able to shove it back in, tape it up and I thought it would be okay, but maybe that is my problem . . .

2) for some reason, rear speakers are not working. I didn't test it that carefully last night, I just heard sound and went ahead, so I'm guessing I must have screwed up bench wiring it. Hard for me to believe because I went slow and was careful.
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Old 04-01-2013, 10:48 AM   #4
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I can't help you with point 1 - sounds like your issue may indeed be a broken connection, although running a new cable shouldn't be an issue.

On point 2, which Jeep do you have? My guess is you're running one of the models with Premium Audio, which means that you're running through the factory amp. That kills your fade, I'm afraid, because the stock HU and the factory amp are tied to each other via CANBUS. The factory amp only has two channel inputs - when you fade on the stock HU it actually sends the fade command to the amp rather than fading between line outputs. When you use an aftermarket HU, those commands can no longer be sent.
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Old 04-01-2013, 10:57 AM   #5
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if it worked 100% before the dash went back in... then you either cut a wire or pulled a wire or something while re-installing.

Look close for any damaged wires and/or pull it all back apart again. Prob. not the answer you want to hear but hey, if the problem started when the dash was re-installed then your first step should be to remove the dash again slowly and look for anything out of the ordinary.
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Old 04-01-2013, 11:26 AM   #6
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I have a 2012 with base system, no amp. I tested it quickly and not enough to make sure that the rear speakers were working, just enough to know the radio was working and I had sound. So i'm guessing the problem is most likely either in the way I wired the harness or in the installing I may have unpulled one of my crimped wires or somehow damaged the wiring . . . if any other thoughts, please let me know.
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Old 04-01-2013, 12:41 PM   #7
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If you'd accidentally disconnected or badly crimped one of your wires, then one of your speakers would have stopped working, not both. The fact that neither is working leads me to think that you might have cross-wired the rear speaker wires somehow, to have knocked out or badly crimped a wire on each of your rears would be something of a coincidence.

I'm at a loss to think what else might cause both rears to fail. The first thing I would probably do when you get it open is to inspect your rear line out pairs and redo the connections. If that doesn't work, then disconnect the front speakers and wire the front line outs to the rear speaker pairs. If still nothing, there's an issue with the speakers. If you get sound, there's an issue with the rear line outs. Try that and see how you get on - although it's highly possible that there's something else obvious that I haven't thought of and that someone else will be able to suggest.
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Old 04-01-2013, 12:50 PM   #8
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^ yes. They may also have a circuit interupt, if two speaker wires touch each other the entire channel will cut out for safety. Check each speaker first if they are not to hard to get to.
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Old 04-01-2013, 02:32 PM   #9
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Took the jeep to get lunch. On the way to lunch, I decided to stop listening to bluetooth and popped in a cd. Woila! Rear speakers worked. Changed it to radio, rear speakers kept working. Turned it back to bluetooth, fronts only. I didn't have time to check the auxiliary input or usb, but will tonight. So what I have is a stereo that is apparently wired just fine, but only using the front outputs for bluetooth music.

Sounds like the head unit is probably defective I guess. I bought it from crutchfield so I will see what they say. It's a Kenwood Excellon 997.
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Old 04-01-2013, 03:34 PM   #10
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Mystery solved. The Kenwoods come with the bluetooth input only playing out of the front speakers. I guess they think that sounds more natural if you are using it to talk on your phone. There is a menu you have to go to the online user manual to find that will tell you how to change the setting for bluetooth from "front" to "all."

Now my only issue is the poor FM radio reception. I guess I will order another adapter and see if that makes a difference.

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