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Adding Aftermarket Amp/Subs, need a review on wiring plz

12K views 2 replies 3 participants last post by  db doctor 
#1 · (Edited)
I just need a review of my wiring and any recommendations before I start my project. So far all I have done is Power and Ground my after market amp.For this project I have opted to use a PAC LP7-2 and plan on tapping into harness C (rear speakers) of the factory amp (Pink, Green, Brown & White wires). Such as this pic I have found from a past thread. Text Font Line Parallel
The PAC unit, I plan on cutting the RCA cables from the input side of the LP7-2 (L-side on pic) and plugging them into the R-hand side of the LP7-2. The L-hand side of the unit will then be connected to factory amp wires (Pink, Green, Brown, and White). The R-hand side of the LP7-2 (with the now cut and reconnected RCA cables) will then be connected to the "speaker level input" on the after market amp. Text Font Technology Parallel
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So far does this seem like its the correct way to connect an after market amp into a factory amp? I have also read that it would be wise to disconnect the factory subwoofer when installing an aftermarket amp....Does anyone have any insight on this idea?Here is a visual for my project. Line art Text Drawing Diagram Technical drawing
 

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#2 ·
I suggest that you tap into the front speakers, that will enable constant bass regardless of fader position.
 
#3 ·
Dave,

I am in a similar install as you, I am tapping the rear speaker outs for a full range feed to my aftermarket amp, via an Audio Control line output convertor. The feed to your factory sub is a different set of wires out of the factory amp, so I am hard pressed to understand why disconnecting the sub feed is important unless you are using your aftermarket amp to power the existing sub. I just finished my front stage install, using Massive Audio 6.5 components in a coaxial arrangement. The tweeter was not clearing the grill, so I had to mod the grill to provide clearance. Have you replaced speakers as yet? Vehicle Car Kia sportage
 
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