2004 Honda Civic Radio Wiring

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tigersnare04

Member - Posts: 1

Joined: November 16, 2006

Posted: December 30, 2006 at 6:28 PM / IP Logged

Can anyone tell me the colors of the 12v switched and ground for a 2004 Honda Civic?

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KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: December 30, 2006 at 10:43 PM / IP Logged

+12V DC Battery(Constant)	WHITE/ red	9	10 Amp	Fuse box under hood
Switched Accessory	Yellow/red	8	7.5 Amp	Fuse/relay box under dash
Ground	Black
Illumination	RED / black
Left Front +	GREEN/ black
Left Front -	Light green
Right Front +	GREEN/ YELLOW
Right Front -	Gray/red
Left Rear +	Blue/white
Left Rear -	Blue/black
Right Rear +	Pink
Right Rear -	Blue / YELLOW

2004 Honda Civic Radio Wiring -- posted image.

AT SPEAKERS

Wire Function	Color	Note
Left Front Mid +	GREEN/ black	GREEN/ YELLOW for Hybrid and Sedan
Left Front Mid -	Light green	Gray/red for Hybrid and Sedan
Left Front Tweeter +	GREEN/ black	*
Left Front Tweeter -	Light green	*
Right Front Mid +	GREEN/ YELLOW	GREEN/ black for Hybrid and Sedan
Right Front Mid -	Gray/red	Light green for Hybrid and Sedan
Right Front Tweeter +	GREEN/ YELLOW	*
Right Front Tweeter -	Gray/red	*

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nikneymeyer

Member - Posts: 1

Joined: January 06, 2007

Posted: January 06, 2007 at 10:23 PM / IP Logged

I have a 2001 Civic, which from what I've read has the same stereo wiring harness/pinout as the 2004. Today I installed an aftermarket head unit. There were four wires on the factory harness that did not correspond to any of the wires on the new HU. There was a RED / black (illumination, which I gathered from this post), a red (dimmer, which I got from some other message board), plus a yellow/red and a YELLOW /GREEN. I haven't found anything that these are for. Currently I have them taped off.

Everything else appears to be wired up correctly. When I turn the ignition to the acc. position, the needles and odometer display wig out for about 3 seconds, then appear to be fine. The HU's power button becomes illuminated, but that's all I can get it to do for now.

Is there something I am missing? I have installed a number of stereos in the past, but the latest model was a 1989 Cutlass Supreme.

Any insight would be greatly appreciated. Thanks!

--Nik

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

2004 Honda Civic Radio Wiring

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