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  #1  
Old 03-21-2012, 11:37 PM
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Sub issues

I installed a sub in my truck today and the sub doesnt change volume with the volume controls. Even with the volume at 0 this sub is thumping in the back of my truck

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  #2  
Old 03-22-2012, 10:36 AM
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Re: Sub issues

Are you running off the factory radio, or an aftermarket radio?

It sounds like you've tapped into the wrong wires if you are off the factory radio for your line output converter.
If you are off an aftermarket radio, then something is...horribly wrong. Little more info and we can get this sorted out.
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Old 03-22-2012, 11:32 PM
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Re: Sub issues

tapped off the rear speakers behind the head unit into a hilo converter
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Old 03-23-2012, 10:41 AM
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Re: Sub issues

from the sounds of it you most likely tapped into the wrong wires. or you have a bad line output converter.

If you unplug the RCA cables does the noise go away?

What year and audio system does your jeep have?
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Old 03-28-2012, 12:40 PM
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Re: Sub issues

you'll need to tap into the rear speaker leads off the the stock amp.
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Old 03-29-2012, 09:25 AM
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Re: Sub issues

^x2. The amp would be located behin the rear driver side panel on the cargo area. You shoul be able to peek through those vents and see it if ou even have one. I didn't have one
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Old 04-01-2012, 04:48 PM
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Re: Sub issues

Or you can use this
http://www.sonicelectronix.com/item_...C-C2A-CHY.html

I have one on my system. But this only works with factory nav.
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