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Discussion Starter · #1 ·
Hey guys. I'm about to install some subs in my trunk, and need to tap into R and L rear speakers for speaker level input to my amp. Where is the best place to tap into those wires, and what color are they?

2015 Forte Koup SX.

I'd like to avoid taking out my seats and possibly breaking the side plastic panel.. Was wondering if there is a trim panel or something along the floor I can take off, and access the wiring harness from there.

Thanks!
 

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I can't remember the color, but they are twisted together. If you are looking at the wire harness, they are the only two that are intertwined, they stick out. I have a 5, and I taped into them right before the wire went into the rear door.
 

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Discussion Starter · #3 ·
Where did you access the wires at?
 

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Discussion Starter · #7 ·
But I have R and L inputs for my amp. Did you just have a mono amp? Or does it matter?
 

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Very common to just pull signal from one side with a high/low adapter. As for wiring it up you may want to have a professional do that, or do some more research on hooking things up, don't want to see something fry because its getting improper power
 

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Discussion Starter · #9 ·
It's a Rockford mono amp, with high level inputs, along with RCA pre amp ins. I'm going to pull audio from the rear speakers. I would think that if you only pull speaker input from one channel, and the mix had separation of instruments for whatever side channel you pull audio from, you would only hear that channel's bass. I'm just gonna pull both sides..
 

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Yeah I just tapped one side, so technically I only need to use one reason cable, but I hooked both up to make myself feel better, one day ill do the other side... Maybe
 

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It's a Rockford mono amp, with high level inputs, along with RCA pre amp ins. I'm going to pull audio from the rear speakers. I would think that if you only pull speaker input from one channel, and the mix had separation of instruments for whatever side channel you pull audio from, you would only hear that channel's bass. I'm just gonna pull both sides..
Yes but with most factory head units the rear speakers are set up for just general fill so both speakers get sent very similar signal which is why you could get away with just tapping one signal. Lots of variable here in which the ultimate out come really wont be changed much. So if you want the least amount of panel pulling you could stick to just one side or just run both and pull everything apart
 

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I tapped in behind the radio from one of the front speakers. I had to pull it out anyways so I could hook up my components properly.
 

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Isn't the rear usually lower in volume than the front?
Yes they are! I noticed that when I changed my speakers lol. I will be getting a 4ch amp soon to take care of that
 

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Discussion Starter · #15 ·
I ended up pulling both sides. I used those vampire taps, and man those things are a PITA. I had to go back and use pliers to get them to sink into the sheathing of the wires. Got everything routed and working great pushing two Rockford 10"s in a sealed box. Still need to do some tuning, and break in, but right now my only issue is the damn sunglasses holder vibrating like hell. Probably get some stick on foam to fill up the gaps in there. Thanks guys for the advice.
 

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It's been over a year so my memory is a little fuzzy but I tapped into both rear speakers under the door sills, I can't remember if I needed a wire on each side or if they were both on the drivers side. Also, there was similar color wires that were twisted together. I believe I posted in a link awhile back though. I'll see if I can find it.

Sent from my SM-G900W8 using Tapatalk
 

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Discussion Starter · #18 ·
I had to put some foam tape along the edge of my sunglasses holder to stop it from rattling because of the bass!
 
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