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2011 front door speaker wire polarity --what's the answer..?

Sat Jan 03, 2015 2:13 pm

Just installed new front door speakers in my 2011 (thanks everybody!). Not sure they are wired correctly, not sure of the polarity:

1) http://www.mynissanleaf.com/viewtopic.php?f=36&t=3308

By the way, the Nissan Service Manual wiring color chart is incorrect for the Leaf.

Here are the colors I found:

Front Left (+) Blue / Grey
Front Left (-) Violet

Front Right (+) Red / Grey
Front Right (-) Brown / Grey


2) http://www.mynissanleaf.com/viewtopic.php?f=36&t=5908&hilit=replacement+speakers&start=50

Left Front: Blue +, Purple -
Right Front: Brown +, Red -


3) service manual page shows:

"front LH" +blue(L), -pink(P)
"front RH" +green(G), -red(R)


Any idea what is correct??? Thanks!

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GeekEV
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Re: 2011 front door speaker wire polarity --what's the answe

Sat Jan 03, 2015 4:22 pm

Your best course of action would have been to make note of which color went to which terminal BEFORE you disconnected the old speakers. The terminals on the speaker should be marked with a +/-. Of course, it's too late for that now.

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1932highboy
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Re: 2011 front door speaker wire polarity --what's the answe

Sat Jan 03, 2015 6:12 pm

Use a voltmeter
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keydiver
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Re: 2011 front door speaker wire polarity --what's the answe

Sat Jan 03, 2015 6:40 pm

As someone else suggested, if in doubt you can ohm each wire out, or check the color at the back of the unit. Its not that difficult to get to the connector:
http://www.qfrf.com/av_schematic.jpg
The 2012 manual shows it as:
Pin #2 - L+ BLUE
Pin #3 - L- PINK
Pin #11 - R+ GREEN
Pin #12 - R- RED
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TorC
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Re: 2011 front door speaker wire polarity --what's the answe

Sun Jan 04, 2015 9:10 am

GeekEV wrote:Your best course of action would have been to make note of which color went to which terminal BEFORE you disconnected the old speakers. The terminals on the speaker should be marked with a +/-. Of course, it's too late for that now.


The speaker and cables does not have +/- markings...

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EVDRIVER
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Re: 2011 front door speaker wire polarity --what's the answe

Sun Jan 04, 2015 9:25 am

TorC wrote:
GeekEV wrote:Your best course of action would have been to make note of which color went to which terminal BEFORE you disconnected the old speakers. The terminals on the speaker should be marked with a +/-. Of course, it's too late for that now.


The speaker and cables does not have +/- markings...



Take a AA battery and connect it to the speaker, if the cone goes out you have the positive terminal, match accordingly. The neg is usually the smaller terminal but is it easy to test.

MyFigLeaf
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Re: 2011 front door speaker wire polarity --what's the answer..?

Sat Jan 02, 2016 10:04 pm

I have a 2015 Leaf S and below matches what I have:

Front Left (+) Blue / Grey
Front Left (-) Violet

Front Right (+) Red / Grey
Front Right (-) Brown / Grey

I replaced the OEM speaker, what a POS! see the weight of the OEM vs the Polk Audio Reference 6.5 inch 2-way 2ohms
https://drive.google.com/file/d/0B2U00u ... sp=sharing

The Polk speaker weighs 4 more times than the Nissan speaker.

https://drive.google.com/file/d/0B2U00u ... sp=sharing

For some reason, the Leaf radio go into thermal protection and shut off the amp when I turn it up past 28 on volume.

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keydiver
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Re: 2011 front door speaker wire polarity --what's the answer..?

Mon Jan 04, 2016 7:24 am

MyFigLeaf wrote:For some reason, the Leaf radio go into thermal protection and shut off the amp when I turn it up past 28 on volume.


2 ohms is pretty low. Did you check the impedance of the originals?
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aarond12
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Re: 2011 front door speaker wire polarity --what's the answer..?

Mon Jan 04, 2016 10:31 am

I believe the stock speakers are 4 ohms. Putting a 2 ohm load on an amp designed for 4 ohms is likely to cause some overheating issues.
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