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Old 09-01-2013, 12:33 PM   #1
WRX_Johnny
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Question System install problem.

4 component kicker speakers
4 channel Kenwood amp
2 12 inch Kenwood subs
2 channel kenwood amp
Lc7i LoC

Ran all my wires and go to test everything before putting everything back together... Harsh static from all speakers. Gain's turned all the way down. Checked connections, ground seems good ( Under rear seat belt bolt sanded down to bare metal ) Any ideas? Im stumped and rather frustrated

Also anyone know anything about these LC7i's? Powers up fine and everything but my amps wont turn off. I have 2 wires running from the Remote out on the LoC to the remote in on the amps. LoC shuts off but the amps stay on after key is removed from ignition.

Ugh this is such a headache any audio gurus out there? Thanks
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Old 09-01-2013, 12:55 PM   #2
VEGAS WRX
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There are so many possibilities of what the issue might be. Best bet is to isolate everything. Start with your front channel, disconnect rear channel and the subs RCAs. See if you have static. Check the others, find what all has static. If all have static, then the LOC is probably hooked up wrong. Go back and check the LOC is correctly wired. What are you using for +12v on the audio control?

Where did you tie in for speakers from the headunit?
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Old 09-01-2013, 01:01 PM   #3
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Quote:
Originally Posted by VEGAS WRX View Post
There are so many possibilities of what the issue might be. Best bet is to isolate everything. Start with your front channel, disconnect rear channel and the subs RCAs. See if you have static. Check the others, find what all has static. If all have static, then the LOC is probably hooked up wrong. Go back and check the LOC is correctly wired. What are you using for +12v on the audio control?

Where did you tie in for speakers from the headunit?
I took a wire and ran it from a power channel on one of the amp to the audio control. Did the same with the ground. I bought the speaker harness that clips into factory speaker cables in the door and ran wires back. I checked all speakers 4 mids, 4 tweeters have static.
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Old 09-01-2013, 01:23 PM   #4
VEGAS WRX
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Your pulling all the signal from one set of speakers? Dealing with that first, I would pull a signal from the headunit so you retain your seperate channels. Think of music that goes across the sound stage, left to right (in stereo). If you are pulling from only left front or left rear or right front or right rear, you will not get the entire spectrum of music and will have no perspective of where sound is. You also cannot fade or balance from the headunit.

I would check to make sure you did not cross anything or that the harness is not pinned wrong.
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Old 09-01-2013, 01:36 PM   #5
WRX_Johnny
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Quote:
Originally Posted by VEGAS WRX View Post
Your pulling all the signal from one set of speakers? Dealing with that first, I would pull a signal from the headunit so you retain your seperate channels. Think of music that goes across the sound stage, left to right (in stereo). If you are pulling from only left front or left rear or right front or right rear, you will not get the entire spectrum of music and will have no perspective of where sound is. You also cannot fade or balance from the headunit.

I would check to make sure you did not cross anything or that the harness is not pinned wrong.
Sorry for the confusion.
I'm pulling signal from all speakers FL FR RL RR
Using these
http://www.crutchfield.com/S-Xqic076...Harnesses.html
Then running the wires back to the LoC
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Old 09-01-2013, 01:43 PM   #6
Aaron'z 2.5RS
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STOP.... step back and take a breath..

Now, start with the amps not shutting off..
You say they are hooked to the Lci and that's supposed to control amp on/off.. does it have settings for how it acts?

I'm guessing its signal sensing..

Now the static.. is it only static or static over music?

Regardless, pull the RCAs from the LCi as its playing.. . Does it go quiet on each channel or is static still present?

If the problem goes away you know it was the LCi or its connection to the car.. if the problem remains its either the RCAs or amps..

Pretty straightforward
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Old 09-01-2013, 01:48 PM   #7
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I already told him to do that, he has static at all speakers.
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Old 09-01-2013, 01:49 PM   #8
WRX_Johnny
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Quote:
Originally Posted by Aaron'z 2.5RS View Post
STOP.... step back and take a breath..

Now, start with the amps not shutting off..
You say they are hooked to the Lci and that's supposed to control amp on/off.. does it have settings for how it acts?

I'm guessing its signal sensing..

Now the static.. is it only static or static over music?

Regardless, pull the RCAs from the LCi as its playing.. . Does it go quiet on each channel or is static still present?

If the problem goes away you know it was the LCi or its connection to the car.. if the problem remains its either the RCAs or amps..

Pretty straightforward
The LCi7 turns on and off fine by itself. It does sense the signal coming in from the factory speaker wires I extended. It has a remote in and out. I used the out and put it to the remote on my amps. When I shut the car off the LoC shuts off but the amps remain on until I pull the remote line out of them.

It's not pure static it plays music it just sounds like all the speakers are blown/poor quality. I used them in my previous car last week until I started my project on this car. So I know they aren't blown.
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Old 09-01-2013, 09:59 PM   #9
scoe141
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If you bought the gear from Crutchfield, they have a really good tech support. If they're not available due to the holiday weekend, then hopefully NASIOC can help you.

I see you're using a wiring harness. Did you run speaker wire from the speakers into the amp? There could be a connection issue there.

Did you make sure to run the RCA, amp turn on wire, power wire etc. all separately to eliminate interference?

When moving your gear from the old car, did you knock a wire loose from the head unit? Are the wires there crimped or soldered?

If the amp remains on, it sounds like there may be an issue with the connection with the remote turn on.

Here's an install I did a few months ago. Im not sure if this will help in anyway.

Installation

1. Check instructions
2. Solder blue cables together (after cutting existing) (believe this was remote turn on)
3. Remove negative hookup of battery
4. Disconnect positive terminal of battery
5. Run power wire through top of engine into driver side area and run underneath carpet (ZIP TIE)
6. Run signal cables (RCA) from back of stereo along passenger side underneath pass. seat
7. Run blue cable from back of HU along with RCA cables (HEAT SHRINK BOTH ENDS)
8. Ground amp to pass. side seat
9. Run speaker wire from doors. (HEAT SHRINK ends of terminals??)
10. Label speaker wire STRIP 1/2” from ends of wire (1/4” for female connectors)
11. Run speaker wire in whole, only cutting when it reaches amp, then connect terminals.
12. Last thing you do is connect fuse into power cable and attach it to the POS. Terminal
13. Finally connect negative
14. Connect wires into amp BEFORE hooking up the battery terminals.

Test then put everything back!

________________

If you've done all of this, then I apologize, as Im just trying to eliminate any possible issue.

Good luck and I hope this helps.
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Old 09-02-2013, 06:08 PM   #10
WRX_Johnny
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I have 2 amps and they both stay on. I used the factory Nav. Im gonna check my connections again but im still pretty stumped. My power wires run down the center of the car and my speaker wires run on each side of the car.
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