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07 altima w/navi

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mantis_rr 
Member - Posts: 18
Member spacespace
Joined: June 08, 2009
Location: Texas, United States
Posted: October 02, 2010 at 2:45 PM / IP Logged  
i got a 2007 Nissan Altima with the Bose navigation and i want to hook up an amp for a couple subwoofers. where can i find a wiring diagram for this and what else will i need to hook the amp up? thanks
mantis_rr 
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Member spacespace
Joined: June 08, 2009
Location: Texas, United States
Posted: October 03, 2010 at 11:45 PM / IP Logged  

anyone??

afdanw 
Copper - Posts: 74
Copper spacespace
Joined: August 06, 2010
Location: Oklahoma, United States
Posted: October 05, 2010 at 7:02 PM / IP Logged  
well it is just like any other amp install for power, signal is the only hard part in this car.  you will need a line level converter.  you will need to tap 2 high level signal sources.  you can find that at each speaker.  in this car with the bose system you should have an amp at every speaker.  you will have to tap the wires on the output side of the amp.  you will also want to tap one pair on the left side of the vehicle and one pair on the right.  It is kinda a pain to do with the bose system, but not too bad.  
If your cousin is such a good installer, and he will install anything for a 6 pack; why are you talking to me?
soundnsecurity 
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Joined: November 10, 2008
Location: Louisiana, United States
Posted: October 06, 2010 at 7:11 PM / IP Logged  
if you have a factory subwoofer in the rear deck then you will need to hook the converter up to it, not to the normal speakers. if you dont have a factory sub then use the wires for the rear speakers. the factory amplifier most likely will not be at each speaker, they used to do that on older cars with bose systems before 2000 or so but i haven't seen it this way on any newer cars. it will probably be somewhere in the trunk or maybe even in the center console, but as long as you can get to the factory sub or the rear speakers directly there is no need to hunt down the factory amp just to add a sub.
mantis_rr 
Member - Posts: 18
Member spacespace
Joined: June 08, 2009
Location: Texas, United States
Posted: October 07, 2010 at 1:06 AM / IP Logged  
The rear deck speakers arr 6x9s and are used for the bass, would I splice into those and add a LOC to each of the speakers or to one?
afdanw 
Copper - Posts: 74
Copper spacespace
Joined: August 06, 2010
Location: Oklahoma, United States
Posted: October 07, 2010 at 10:56 AM / IP Logged  

soundnsecurity wrote:
the factory amplifier most likely will not be at each speaker, they used to do that on older cars with bose systems before 2000 or so but i haven't seen it this way on any newer cars. it will probably be somewhere in the trunk or maybe even in the center console, but as long as you can get to the factory sub or the rear speakers directly there is no need to hunt down the factory amp just to add a sub.

SoundnSecurity.  Thank you for correcting me on that.  It has been a few years since i quit installing professionally, so i have not see many of the factory amp set up on most new cars.  Good info, and it keeps me from giving incorrect advice in the future. 

If your cousin is such a good installer, and he will install anything for a 6 pack; why are you talking to me?
afdanw 
Copper - Posts: 74
Copper spacespace
Joined: August 06, 2010
Location: Oklahoma, United States
Posted: October 07, 2010 at 11:09 AM / IP Logged  

mantis_rr wrote:
The rear deck speakers arr 6x9s and are used for the bass, would I splice into those and add a LOC to each of the speakers or to one?

6x9's are often used for "bass" but in reality should not be in most cases.  If you have some very high end 6x9's they can be crossed over a bit lower to get better mids and even mid bass.  Most average, or even above average, 6x9's should be crossed over simularly to an equal 6.5.  But i guess that does not answer your question...  YES.  your "line out converter" should have 4 inputs.  left +pos and -neg, and right +pos and -neg.  so you should splice off of the lines for both rear speakers.  Unless, like stated in an earlier post, you have a factory sub.  in that case use those lines. 

If your cousin is such a good installer, and he will install anything for a 6 pack; why are you talking to me?
mantis_rr 
Member - Posts: 18
Member spacespace
Joined: June 08, 2009
Location: Texas, United States
Posted: October 07, 2010 at 1:29 PM / IP Logged  

There is no factory sub in the car.  thanks for your help guys, gave me the answers i need.


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