Whether your an expert installer or a novice enthusiast with a 1999 Honda Accord, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile electronics is identifying the correct wires for a 1999 Honda Accord.
The Modified Life staff has put their heads together to create an invaluable resource containing free car stereo wiring diagram, free car wiring diagram and free radio wiring diagram. Feel free to use any car stereo wiring diagram or factory radio wire colors that are listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 1999 Honda Accord.
If you can’t find your car radio wiring diagram, factory radio wire colors or stereo wire diagram on Modified Life, please feel free to post a car wiring diagram request (Radio Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.
1999 Honda Accord Car Stereo Radio Wiring Diagram
Radio Constant 12V+ Wire: White/Green
Radio Ignition Switched 12V+ Wire: White/Red
Radio Ground Wire: Black
Radio Illumination Dimmer Wire: Red/Black
Radio Antenna Trigger Wire: N/A
Radio Amplifier Trigger Wire: N/A
Front Speakers Size: N/A
Front Speakers Location: N/A
Left Front Speaker Wire (+): Blue/Green
Left Front Speaker Wire (-): Gray/Black
Right Front Speaker Wire (+): Red/Green
Right Front Speaker Wire (-): Brown/Black
Rear Speakers Size: N/A
Rear Speakers Location: N/A
Left Rear Speaker Wire (+): Blue/Yellow
Left Rear Speaker Wire (-): Gray/White
Right Rear Speaker Wire (+): Red/Yellow
Right Rear Speaker Wire (-): Brown/White
 
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1998-2002 Honda Accord Coupe
i have 1999 accord and it comes with some kind of subwoofer on the back parcel shelf??? i have found a feed for the amp and powered that but were can i find the feeds for the sub woofer
Hadrian,
We are not aware of any factory subwoofer that comes with the 1999 Honda Accord. As far as we know the rear deck only houses two factory speakers. Hope this helps.. good luck.
What is the red wire for? Looking for the remote wire and red wire seems to be the only one left.
Quan Lin, technically you could connect your amplifier turn on wire to the radio switched 12v+ wire. That way your amplifier is on whenever the car is on and off whenever your car is off. Just make sure to run an in-line 1-amp fuse on the amplifier turn on wire. Hope this helps. Good Luck.
My car battery keeps dying every morning. My friend and I have been testing this for the past week and can’t seem to find an answer. Battery was tested at autozone to to be good, and the amps don’t seem to be the problem either. I was wondering what was causing my battery to die out every morning. Amps turn off when car turns off, everything works fine. The only problem that I may suspect is the wiring on the stereo. I found the amplifier remote wire on my headunit and just used that. Do you know what the red wire is for? That’s the only wire not used by my headunit and the diagram above doesn’t seem to have what the red color wire is.