What is the positive and negative wires for Bose 6x9 rear speakers in Nissan Altima10

[EternalSubs]

I know how to install a amp and subs but I recently got a new car, a Nissan Altima 2010 and it has a Bose system with it's own amp.. I know how to install my amp using a Loc converter but I need to tap into the rear speakers to do so.. I don't know which is the positive and negative wires though??? They both have a blue wire with grey dots and one has white with grey dots and the other has orange with grey dots

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[Papermaker85 5,000+ posts]

Hope that the factory stereo does have some funky eq/crossovers. http://Www.installdr.com might be able to help.

 

[Boomin_tahoe 5,000+ posts]

2nd pic shows what appears to be a yellow dot on the left side of the harnness.....they mark that usually as positive.

 

[Mayhem]

Blue is negative for both

 

[EternalSubs]

Ok I'll give it a shot and let you all know how it goes. I'm Also going to use a AA Battery to see the polarity

 

[EternalSubs]

Yup blue is negative. Thx guys