I own a 1994 Nissan Altima and need to replace the rear speakers. I know that they are 6.5" in size but don't know if the original factory installs are 2-way, 3-way, or 4 way. One of the back speakers was blown so I was able to pull the plug from the speaker from access in the trunk, but don't know if I need to match the exact 2-4 way speaker in order to just plug it into the new speaker and have it work without messing with any of the wiring. I'm an amateur but pretty mechanically inclined and have instructions on how to do an install and some correct tools to do it. I just may not know the correct terminology. Thanks for any assist on this.
SOURCE: Replace 2005 Nissan altima stereo receiver
Try radio shack, or stereo sales/installation place for ready to go plug adapter. For a few bucks, it saves headaches, and butchering the wiring in case you want to re-install old one later when trading in or selling the car.
SOURCE: 1998 Audi A4 Quattro rear speaker wiring
You can't use any of those - the large connector at the OEM speakers is because the rears are amplified. Your factory head unit puts out a line level signal to the rear speakers. There's an amplifier on the driver's side rear speaker (the box around the magnet that you can see from inside the trunk).
You need to either replace the head unit with an aftermarket one to drive your new speakers, or you need to tap into the amp connector and find the line level wires, break them out, put RCA plugs onto them, and plug them into an aftermarket amp, which you'd use to power your rear speakers. Doing it that way allows you to keep the factory head unit.
SOURCE: Rear speaker size in my 1993 Honda Accord
I HAVE A 93 ACCORD LX AND ACCORDING TO HONDA MINDS COME WITH 6.5" SPEAKERS FOR THE BACK AND TO GET 6X9 IN YOUR GOING TO EITHER GET THE SPACER THE COME WITH THE EX OR YOU OR GOING TO HAVE TO CUT AND THEY DONT RECOMMAND IT CAUSE YOUR TRUNK WONT STAY OPEN AND YOUR GOING TO HAVE TO BEND THE BAR UNDER THE TRUNK. HOPE YHIS WAS HELPFUL.
SOURCE: my front speakers and tweeters are blown
I work at a Chrysler Jeep dealer and sell parts, and I'm sorry to tell you but this is a little problem we have run into many times with these vehicles. The factory speakers are **** and of course we have no wiring diagrams showing how to install aftermarket speakers without replacing the head unit with an aftermarket one. I just had to do this with my Mitsubishi Galant when I bought some Focal component speakers for my doors. I went with the Alpine radio and it seems very nice and I think it will do great for your speakers also. Hope this helped.
SOURCE: needing wiring diagram for 1991 dodge dynasty le
here is what I found:
http://www.the12volt.com/installbay/stereodetail/715.html
AUDIO
Revision: May 2004 2002 Altima
AUDIO PFP:28111
System Description EKS002KQ
BASE AND MIDLINE SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse [No. 31, located in the fuse and fusible link box]
to audio unit terminal 6.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 6, located in the fuse block (J/B)]
to audio unit terminal 10.
Ground is supplied through the case of the audio unit.
Audio signals are supplied
through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
to terminals + and - of front door speaker LH and RH
to terminals + and - of rear door speaker LH and RH
to terminals + and - of tweeter LH and RH.
BOSE® SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse [No. 31, located in the fuse and fusible link box]
to audio unit terminal 6, and
to Bose speaker amp. terminal 1.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 6, located in the fuse block (J/B)]
to audio unit terminal 10.
Ground is supplied through the case of the audio unit.
Ground is also supplied
to speaker amp. terminal 17
through body ground B117.
Audio signals are supplied
through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
to speaker amp. terminals 23, 24, 25, 26, 27, 28, 29, and 30.
Audio signals are amplified by the speaker amp.
The amplified audio signals are supplied
through speaker amp. terminals 2, 3, 9, 10, 11, 12, 13, 14, 15, 16, 18, and 19
to terminals + and - of front door speaker LH and RH
to terminals + and - of rear door speaker LH and RH
to terminals + and - of tweeter LH and RH
to terminals + and - of subwoofer LH and RH.
SPEED DEPENDENT VOLUME CONTROL (MIDLINE SYSTEM AND BOSE SYSTEM)
If activated, the radio output volume will be automatically adjusted to compensate for increased driving noises
at higher driving speeds.
The radio receives a vehicle speed signal from the combination meter, and selects the output volume.
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