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Help! Bubba does radio installations!!!

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Old Jan 1, 2010 | 04:25 PM
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Default Help! Bubba does radio installations!!!

Hello, all!

Well, I bit the bullet and cut out the opening of my '81's center console to install a new JVC stereo. To all you purists - sorry, but that's what the wife wants! Everything looks great, but you should see how the installer of the old Alpine had this thing wired up. No wonder it never sounded right!

Anyway, I have a wiring problem. I've got the front speakers figured out, but I need to ID the wires for the rears. I have:

Dark blue
Brown
Yellow
Light blue

I need to know the + and - for the left and right rear. Anyone, lend a brother a hand?

Thanks! ...Alan K.
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Old Jan 1, 2010 | 05:51 PM
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Old Jan 1, 2010 | 05:57 PM
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take a aa battery and touch the wires to the ends..only 2 wires at a time... if the speaker pops out then the polarity is correct....

i think this is right... i used to install audio back in the 90's..its been a while


and usually in audio.... yellow is consant power.. i bet the blues are to a speaker... maybe
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Old Jan 1, 2010 | 07:54 PM
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Originally Posted by VeroL81
Hello, all!

Dark blue
Brown
Yellow
Light blue

I need to know the + and - for the left and right rear. Anyone, lend a brother a hand?

Thanks! ...Alan K.
Pull the speakers and look at those connections. If they don't match, run new wires... why try to fix someone elses mess?
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Old Jan 2, 2010 | 08:17 AM
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Originally Posted by rexx78
Pull the speakers and look at those connections. If they don't match, run new wires... why try to fix someone elses mess?
Well DUH - just call me Bubba! That makes the most sense! Somtimes ya just need a fresh set of eyes to troubleshoot a problem. Thanks!

...Alan K.
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Old Jan 2, 2010 | 06:17 PM
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Thanks for the help, gentlemen! I pulled the rear speakers to get the right color combos wired up to the head unit - then used the "AA" method to determine one of them was blown!

Everything's up and sounding fantastic now - the wife is THRILLED!

Great teamwork - thanks again!!

...Alan K.
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