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Need help with jumper pins on LC2i.

I finally opened it up to take a look at the jumper pins. There are 4 different jumper pins. I'm adding 2 subs to my boss/nav system using the existing

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Old 04-01-2015, 10:21 PM   #1 (permalink)
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Default Need help with jumper pins on LC2i.

I finally opened it up to take a look at the jumper pins. There are 4 different jumper pins. I'm adding 2 subs to my boss/nav system using the existing spare tire Bose sub input. What do I need to do with the jumper pins?
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Old 04-02-2015, 04:04 PM   #2 (permalink)
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you shouldn't have to mess with them.
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Old 04-06-2015, 04:08 PM   #3 (permalink)
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Ok well I set it all up. Used the purple and sky blue wires going to factory sub and to the LC2i. But it doesn't sound punchy and the subs cant seem to handle much. I know that's not the problem cause they're good JL subs. I think it's the settings, but I've tried it all. Can't get it to sound punchy or take more power.
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Old 04-06-2015, 04:40 PM   #4 (permalink)
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Give their tech line a call, that's what it's for, they will help you out.
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Old 04-08-2015, 09:48 PM   #5 (permalink)
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I was told to connect the purple and blue to left input and wires from left input over to right and then on the other side connect your rca to left and right
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Old 04-08-2015, 10:24 PM   #6 (permalink)
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Quote:
Originally Posted by Navster View Post
I was told to connect the purple and blue to left input and wires from left input over to right and then on the other side connect your rca to left and right
I confoosed
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Old 04-08-2015, 10:26 PM   #7 (permalink)
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When connecting one pair of sub wires to your LC2i, you will connect to the left input (the information online is correct). You can then split that incoming signal over to the right input so you don't have to use a y-splitter on the output - this will be fine for your Bose amp.

I suggest listening to your system with the Bass level set to 12 o'clock - then move the AccuBASS level around (with Threshold all the way clockwise) until you achieve the sound you want. Once AccuBASS is dialed in, unplug the LC2i from your amp and maximize signal using the Bass level as you described below: head unit to 3/4 volume, increase Bass Level until Maximize light flickers, then back off just enough so the light goes out. Reconnect to your amp and fine-tune. You should start with your amp gains all the way down.
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Old 04-08-2015, 10:27 PM   #8 (permalink)
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manually split the signal wires coming in - so take one pair of +/- into the left channel and split over to the right. You could really just use some short wires to take the signal from the left channel screw terminal and plug those into the right channel.

AccuBASS is not the overall bass output for the LC2i - it is an EQ. AccuBASS should be dialed in to taste, then the output level of the LC2i is controlled by the ACR-1 once you've dialed in the Bass level. AccuBASS Level and Bass Level are different. Bass Level is the knob that controls the output at the Bass RCAs on the LC2i. AccuBASS, again, is the EQ adjustment made to your signal.


This is what I got from the tech
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Old 04-08-2015, 10:36 PM   #9 (permalink)
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Great reply. Thanks! I'll try it tomorrow. My concern was all this speak about low level/high level/jumpers and all that. I've hooked up quite a few systems over the years but that all went over my head.
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Old 04-08-2015, 10:39 PM   #10 (permalink)
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Only jumper to play with is the one on the outside for the GTO enable or bypass
If you don't mind me asking where did you install yours. I just got mine delivered today
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Old 04-08-2015, 10:58 PM   #11 (permalink)
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Lol my amp and LC2i are both sitting on top of the box temporarily within reach while I tune it. But it all fit in that styrofoam(I had to remove it)area below my box. So once I'm good I just gotta shorten the wiring. But it doesn't sound good at all, at this point the stock sub sounds better than 2-10" JLs.
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Old 04-08-2015, 11:28 PM   #12 (permalink)
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Wonder if you Could use an electric device meter like to tune
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Old 04-08-2015, 11:33 PM   #13 (permalink)
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Well in my case I believe it's a wiring or jumper pin issue. Problem is, I haven't seen a thread with all the answers on this LOC.
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Old 04-08-2015, 11:35 PM   #14 (permalink)
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Try this one
http://www.caraudio.com/forums/wirin...w-install.html
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Old 04-09-2015, 01:13 AM   #15 (permalink)
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Seen that one. But since we have a Bose system everyone has been complaining about how different they do things. And it being a BMW forum I figured they have a Harmon Kardon or something similar system it would be different. So I didn't think it would apply here, hi/low pass and all that talk.
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