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installing amp and subs with basic 6 speaker system

Solarplex
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Solarplex Enthusiast

Solarplex

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Any idea the best way of doing this? i used a pac previously in my 2008 gmc. i dont see that they make one yet. My amp is capable of using the speaker input as a remote turn on but i dont want to splice into the factory speaker wire.

jweezy Enthusiast

jweezy

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On 8/19/2020 at 12:30 PM, Solarplex said:

Any idea the best way of doing this? i used a pac previously in my 2008 gmc. i dont see that they make one yet. My amp is capable of using the speaker input as a remote turn on but i dont want to splice into the factory speaker wire.

LLJ Customs makes a t-harness that will connect right into your factory plugs behind the glove box.

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808 HI Enthusiast

808 HI

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Lmk how your gonna get around the amplified chimes, turn signal and front and backup sensors if you got them. 

soilsample Enthusiast

soilsample

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I know you said you don’t want to splice...

 

however, if you pop up the plastic on your front  door sill on the passenger side (in the harness) you’ll find a twisted pair of blueblack and white. Those feed the rear door speaker on the right door. 
 

on the driver’s side they’re Green and greenblack (if I remember correctly). They feed the left rear. They’re easy to tap into for a line out converter. 
 

that’s what I did. It worked out great. 

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OliverThomas New Member

OliverThomas

Posted
Posted (edited)

My current Acadia has the factory Bose system with 10 speakers, great for OEM, but not as good as custom :thumb:I hated the 6 speaker base system in both my previous Acadias.You can not replace 8 ohm speakers with 4 ohm speakers. Short time frame, okay... but you will burn out the amplifier shortly. I was told about this by a friend who is engaged in event staging services and often meets with problems in his car with audio systems and in his work.The amplifier is not designed to run at 4 ohm and will have problems delivering enough power to those speakers. Eventually you will fry the amplifier.

Edited by OliverThomas
e1532246 New Member

e1532246

Posted
Posted

OK, so I just purchased a 2020 GMC Sierra SLT with the Bose Premium Sound system.  At this point, this is where I am.

 

Considering these speakers and enclosure: > https://www.jlaudio.com/collections/car-audio-stealthbox/products/sb-gm-slvcc4-12tw3-d8-car-audio-stealthbox-94668

* A little pricey, but hey JL Audio quality

 

With this AMP: > https://www.jlaudio.com/products/xd400-4v2-car-audio-xdv2-amplifiers-98602

 

I need the schematic for the Bose Premium Sound system, what model Bose, information (all I can get), to include if possible the stock amp.  Does this Head have a low signal output (for subs)???

 

Something else I found which was really interesting is (not to use the rear speakers for signal input)

 

 

 

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